Add scintilla scripts folder back.

LexGen.py has a couple of stuff commented out since we don't use them.

Close #74.
Update scintilla to 3.4.0.
Update scintilla to 3.4.1.
Update coverity.bat.
Add gemspec

Example file

http://github.com/brianmario/charlock_holmes/blob/dde1946/charlock_holmes.gemspec
Add VHDL syntax highlighting support
Fix WDK compilation.

Close #82.
Merge branch 'mickael9-vhdl'
Merge pull request #80 from svnpenn2/master

Add gemspec
Add support for CoffeeScript.