Small refactor of case-insensitivity.
Deleted a bunch of dead code.
Remember values last used for tint and colourise.
Add percent encoding to editing panel.
Merge branch 'master' of https://github.com/sirjuddington/SLADE
Updated copyright years.
More updated copyright years.
Merge branch 'master' of https://github.com/sirjuddington/SLADE
Truecolor translation preview
Merge pull request #69 from Gaerzi/master

Sync with my fork.