Update lexers to support double-quoted strings

Included with simba: SynHighlighterPas, modified and named
SynHighlighterLape.
Needed to support some changes I made to Lape.
Merge pull request #314 from WarPie/master

Update lexers to support double-quoted strings
Update .gitattributes

Added some gitattributes to get GitHub's linguist to support Simba's script files.
Fix: AverageExtended (Init Result-variable)
Merge pull request #327 from WarPie/master

Fix: AverageExtended (Init Result-variable)
Add SaveOnCompile setting.
Comment couple of grid methods that are stopping buildbot from building.
Merge branch 'master' of https://github.com/MerlijnWajer/Simba into simba-next-fixed