Merge branch 'development' into v2-prototype

* development: (29 commits)
  Do not remove artifacts when running `clean`
  fix style errors
  Fix circular dependency
  Add my profile image to images
  Add myself to about page
  Add dogfood configs to website
  Revert to lerna:run lint
  Do lint sequentially
  Exclude monorepo-scripts from tslint as test
  Fix prettier
  Add hover state to top tokens
  Change to weekly txn volume
  Change minimum Node version to 6.12
  Document Node.js version requirement and add it to package.json
  Apply prettier to some files which were not formatted correctly
  Fix TSLint issues
  Fix TSLint issues
  Update ethereeumjs-testrpc to ganache-cli
  Fix infinite loop
  Add changelog entries for packages where executable binary exporting fixed
  ...

# Conflicts:
#	packages/contracts/package.json
#	packages/contracts/util/formatters.ts
#	packages/contracts/util/signed_order_utils.ts
#	packages/migrations/package.json
#	yarn.lock

4 files changed, 8 insertions, 8 deletions

diff --git a/packages/contracts/src/utils/chai_setup.ts b/packages/contracts/src/utils/chai_setup.ts
index 078edd309..1a8733093 100644
--- a/packages/contracts/src/utils/chai_setup.ts
+++ b/packages/contracts/src/utils/chai_setup.ts
@@ -4,7 +4,7 @@ import ChaiBigNumber = require('chai-bignumber');
 import * as dirtyChai from 'dirty-chai';
 
 export const chaiSetup = {
-    configure() {
+    configure(): void {
         chai.config.includeStack = true;
         chai.use(ChaiBigNumber());
         chai.use(dirtyChai);
diff --git a/packages/contracts/src/utils/crypto.ts b/packages/contracts/src/utils/crypto.ts
index 222cb7cca..80c5f30a5 100644
--- a/packages/contracts/src/utils/crypto.ts
+++ b/packages/contracts/src/utils/crypto.ts
@@ -18,7 +18,7 @@ export const crypto = {
     solSHA256(args: any[]): Buffer {
         return crypto._solHash(args, ABI.soliditySHA256);
     },
-    _solHash(args: any[], hashFunction: (types: string[], values: any[]) => Buffer) {
+    _solHash(args: any[], hashFunction: (types: string[], values: any[]) => Buffer): Buffer {
         const argTypes: string[] = [];
         _.each(args, (arg, i) => {
             const isNumber = _.isFinite(arg);
diff --git a/packages/contracts/src/utils/multi_sig_wrapper.ts b/packages/contracts/src/utils/multi_sig_wrapper.ts
index 84fed7944..41a1dd8d9 100644
--- a/packages/contracts/src/utils/multi_sig_wrapper.ts
+++ b/packages/contracts/src/utils/multi_sig_wrapper.ts
@@ -11,7 +11,7 @@ import { TransactionDataParams } from './types';
 
 export class MultiSigWrapper {
     private _multiSig: MultiSigWalletContract;
-    public static encodeFnArgs(name: string, abi: AbiDefinition[], args: any[]) {
+    public static encodeFnArgs(name: string, abi: AbiDefinition[], args: any[]): string {
         const abiEntity = _.find(abi, { name }) as MethodAbi;
         if (_.isUndefined(abiEntity)) {
             throw new Error(`Did not find abi entry for name: ${name}`);
@@ -33,7 +33,7 @@ export class MultiSigWrapper {
         from: string,
         dataParams: TransactionDataParams,
         value: BigNumber = new BigNumber(0),
-    ) {
+    ): Promise<string> {
         const { name, abi, args = [] } = dataParams;
         const encoded = MultiSigWrapper.encodeFnArgs(name, abi, args);
         return this._multiSig.submitTransaction.sendTransactionAsync(destination, value, encoded, {
diff --git a/packages/contracts/src/utils/token_registry_wrapper.ts b/packages/contracts/src/utils/token_registry_wrapper.ts
index 91bd5503d..86daeca62 100644
--- a/packages/contracts/src/utils/token_registry_wrapper.ts
+++ b/packages/contracts/src/utils/token_registry_wrapper.ts
@@ -9,7 +9,7 @@ export class TokenRegWrapper {
     constructor(tokenRegContract: TokenRegistryContract) {
         this._tokenReg = tokenRegContract;
     }
-    public async addTokenAsync(token: Token, from: string) {
+    public async addTokenAsync(token: Token, from: string): Promise<string> {
         const tx = this._tokenReg.addToken.sendTransactionAsync(
             token.address as string,
             token.name,
@@ -21,7 +21,7 @@ export class TokenRegWrapper {
         );
         return tx;
     }
-    public async getTokenMetaDataAsync(tokenAddress: string) {
+    public async getTokenMetaDataAsync(tokenAddress: string): Promise<Token> {
         const data = await this._tokenReg.getTokenMetaData.callAsync(tokenAddress);
         const token: Token = {
             address: data[0],
@@ -33,7 +33,7 @@ export class TokenRegWrapper {
         };
         return token;
     }
-    public async getTokenByNameAsync(tokenName: string) {
+    public async getTokenByNameAsync(tokenName: string): Promise<Token> {
         const data = await this._tokenReg.getTokenByName.callAsync(tokenName);
         const token: Token = {
             address: data[0],
@@ -45,7 +45,7 @@ export class TokenRegWrapper {
         };
         return token;
     }
-    public async getTokenBySymbolAsync(tokenSymbol: string) {
+    public async getTokenBySymbolAsync(tokenSymbol: string): Promise<Token> {
         const data = await this._tokenReg.getTokenBySymbol.callAsync(tokenSymbol);
         const token: Token = {
             address: data[0],