* 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
* Normalizing dapps format for signer.
* Adding new ui
* Adding New UI to dapps
* Adding parity styles for signer errors
* Adding pre-compiled JS as submodule
* Fixing struct declaration [ci:skip]
* Bumping js
* Adding styles
* build dest
* Correct whitespace
@tomusdrw please note the alterations - no mixing tabs and spaces in the indentation portion and always just one tab per indent.