* Update `add_license` script
* run script
* add `remove duplicate lines script` and run it
* Revert changes `English spaces`
* strip whitespaces
* Revert `GPL` in files with `apache/mit license`
* don't append `gpl license` in files with other lic
* Don't append `gpl header` in files with other lic.
* re-ran script
* include c and cpp files too
* remove duplicate header
* rebase nit
* separate modules for consensus snapshot chunks
* bulk of authority warp logic
* finish authority warp implementation
* squash warnings and enable authority snapshot mode
* test harness for PoA
* fiddle with harness
* epoch generation proof fixes
* update constructor code
* store epoch transition proof after block commit
* basic snap and restore test
* use keyvaluedb in state restoration
* decompress chunks
* fix encoding issues
* fixed-to-contract-to-contract test
* implement ancient block import
* restore genesis transition in PoW snapshot
* add format version method to snapshot components
* supported version numbers in snapshot_components
* allow returning of ancient epoch transitions
* genesis hash mismatch check
* remove commented code
* Web-domain based routing
* Support base32-encoded urls
* Proper support for non-domain based routing
* Handling long domain names
* Switching to web3.site
* Encoding for *.web3.site urls
* Add DappUrlInput component
* Update Web views with store
* Update spec description
* Update spec description
* edited url does not allow in-place store edits
* Fixing dapps access on 127.0.0.1:8180
* Use /web/<hash> urls for iframe
* Redirecting to parity.web3.site
* Disabling the redirection
* Getting rid of old dapps
* Updating proxypac and allowing home.parity on signer
* CORS support for API
* Fixing CORS - origin is sent with protocol
* Fixing signer with proxy
* Fixing grumbles
* Fix expect msg [ci:skip]
