* spec loading cleanup in progress

* changed engine field in json spec

* refactored engine params

* polishing spec loading refactor

* fixed compiling json tests

* fixed compiling parity

* removed warnings

* removed commented out code

* fixed failing test

* bringing back removed TODO in spec.

WebApps HTTP Basic Auth Support

Removing match on constant

Conflicts:
	ethcore/src/account.rs

Update auth.rs

Enabling webapps compilation by default

fixed #895

Support for compile-time included WebApplications.

Conflicts:
	parity/main.rs

Propagate transaction queue

Use new json RPC server

Gracefully dying when trying to enable RPC and app is compiled without it.

Conflicts:
	parity/main.rs

Additional logging and friendlier error messages