[SVN] r5271 (Latex)

[Charilaos Skiadas]

Factored out the Plist loading functionality, into the config_helper library.
It now merges changes the user's local config file with the built in one.

Changed:
U   trunk/Bundles/Latex.tmbundle/Commands/Greek letter.plist
U   trunk/Bundles/Latex.tmbundle/Commands/Insert Command Based on Current Word.plist
U   trunk/Bundles/Latex.tmbundle/Commands/Insert LaTeX Command Based on Current Word.plist
A   trunk/Bundles/Latex.tmbundle/Support/lib/
A   trunk/Bundles/Latex.tmbundle/Support/lib/config_helper.rb