* Use ethcore_dappsPort when constructing URLs (#3139)
* Upon connect, retrieve the available api ports
* Update dapps to load from dappsPort
* Update dapps summary with dappsPort
* Allow proxy to use dappsPort
* Replace /api/ping with HEAD /
* Dynamic port for available apps
* Retrieve content images with dappsPort
* Fix /
* Transfer token dropdown image fix
* IdentityIcon loads images via contentHash
* Update apps fetch to cater for dev & prod
* DRY up 127.0.0.1:${dappsPort} with ${dappsUrl}
* Cleaning up polluted namespaces (#3143)
* Renaming ethcore_ to parity_
* Renaming files
* Renaming poluted EthSigning
* Tidy up the namespaces
* Renaming files to match new structure
* Splitting EthSigning into separate traits
* jsapi move ethcore.* -> parity.*
* Move jsonrpc parity definitions
* Update UI API calls for parity interfaces
* Move jsapi signer interfaces from personal to signer
* Update UI to use signer.* where applicable
* Updsate jsapi subscriptions for signer
* Fix dodgy merge.
* Update README.
* Fix some tests.
* Move parity-only personal.* to parity.*
* Update UI for personal -> parity API moves
* Update subscription APIs after personal -> parity move
* personal. generateAuthorizationToken -> parity. generateAuthorizationToken (UI)
* enode, dappsPort & signerPort (UI)
* Update subscription tests (accountsInfo)
* subscription update
* personal -> parity
* Additional error logging on method failures
* move postTransaction to parity
* Additional debug info with method failures
* Fix personal tests.
* Console wrning shows parameters, error object does not
* Include parity_ signing methods.
* Console log http transport info
* Fix failing tests
* Add RPC stubs for parity_accounts.
* Allow some secure built-in dapps
* Use parity_accounts in place of accountsInfo
* Improve error reporting
* Cleanup GHH error handling
Former-commit-id: 5a094ccb9f0596d0e07abc23504b80dc099ad584