v2.0.7.5

• Major refactor to keep PinActivity with single responsibility, moved the overall logic to activity of result contract in WalletManagementActivity:
  restore, createWallet, verifyPin, showSecretSeed and showMnemonic
• WalletFragment has been refactored to use mvvm
• Added 100% test coverage around WalletManagementActivity.
• Added trade tool tip (will be disable for now)
• Added contact feature, contactListFragment. Now is possible to add a stellar address to any contact and send fund to them.
• Refactored the class StellarAddressActivity (prev EnterAddressActivity) to be used in the following 3 flows: toSend, updateContact and createContact.
• Stellar SDK upgrade to 0.4.1
• I added the logic to reuse fragments in the bottom navigation bar (before were created on every switch of the bottom bar)
• Android studio upgrade to 3.3, kotlin 1.3.11, gradle 3.3.0
• Adding the logic were you can not open trading if you do not have enough asset pairs.
• I added the passphrase to the mnemonicView
• I moved all BlockEQ specific request from volley to retrofit. (Exchange providers, diagnostic and supported assets. I added Stetho and reused the same instance okHttp used in Horizon.
• Add more states on the WalletFragment: UnFunded, Refreshing and Active
• Added retry mechanism and empty placeholders to orderBookFragment and myOffers Fragment.
• Added Bitrise deployment workflow that uploads a new binary to the internal track.
• Adding a better balance calculator in AvailableBalanceActivity, and providing a balance for the non native assets.
• Added the ability to use horizon test-net server in debug builds, settings > debug > testnet server)