Parity Fether v0.2-beta

Here is the list of changes:

• Change Cancel to Back button. Password field autofocus on Unlock component #370
• Switch to Parity Ethereum stable #368
• Fix Warning about unique "key" prop at account creation #353
• Accept 11 words legacy recovery phrases for Parity Signer compatibility #351
• Bump version to 0.2.0 #346
• Fix warning by adding '#' on all #341
• Make "Transaction Details" always visible #340
• Switch order from "to" and "amount" fields on Signer screen #339
• Autofocus the right fields and button (to quickly navigate between screens) #328 #280
• Prevents user from importing account that is already in account list #327 #323
• Change amount font size on Send page to fit in input field #321
• Add feedback button that links to Fether Github new issue #319
• Switch to Blockscout. Update tx link #314
• Shows tx fee estimate and total tx amount. See issues in commit details #307 #340
• Add Max button to send the whole balance #302
• Fixes BigNumber error due to incorrect number type #296
• Concatenate balances to 2 decimal places on account overview page without rounding #291
• Show validation error when value to send decimal places exceeds max decimal places of token #290
• Add validation warning when user tries to send ETH or a token to the zero account #289
• Show tooltip warning when user enters amount of less than 1 Wei #288
• Add minimum version of Node.js. Add .nvmrc file #287
• Fix sed error on macOS #286 #283
• Support BIP39 recovery and use BIP39 for new accounts #284
• Add gas estimation to the postTransaction RPC #279
• Update @parity/* packages #274
• Use arrow instead of close icons #271
• Hide token balance when syncing #269
• Wait 2s before showing not synced (to avoid message flickering) #263
• Support JSON Keyfile backup #260