Update to Angular 5, prepare for electron-builder

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Add mnemonic verification, switch to blue logo everywhere 

* Fixed a the name query parameter for API call wallet/general-info

The name query parameter was incorrectly "walletName".
Also added a example request and response.

* Unified formatting, wallet names, wallet passwords

Unified formatting, wallet names, wallet passwords and request ports

* wallet/create API fix

Fixed the wallet/create API description and example.

* Changed the deprecated /wallet/sensitive API to /wallet/extpubkey

Changed the deprecated /wallet/sensitive API to /wallet/extpubkey. Sensitive is no longer available.

* /wallet/extpubkey example URL fix

/wallet/extpubkey example URL fix: the default account name contains a space (unfortunately)

Animation and minor details fixed

Add loading indicator to login, create, recovery and sending process

Various UI changes

Make frontend network aware

Add UI changes

* Updated to beta 0.2.1

* removed unnecessary dotnet restore and build