Experimental branch to parse a string with LaTeX formulas.
Add new TeXZilla.filterString(aString) function to filter tex source inside a string.
Merge branch 'parse-string'

Conflicts:
	TeXZilla.jison
	commonJS.js
	main.jisonlex
Implement the streamfilter command line mode. #7
Expose a TeXZilla.setSafeMode(aEnable) function, to make TeXZilla ignore
href and <maction> commands.
Use autoconf.
Make filterString accept a throwonerror argument and add basic tests for the command line interface.
Add a TeXZilla.filterElement function to apply the stream filter to a DOM element.
Merge branch 'master' into gh-pages

Conflicts:
	.gitignore