Add pt-BR translation
Merge pull request #14 from r-gaia-cs/pt

Add pt-BR translation
Add Arabic translation
Merge pull request #15 from khaledhosny/master

Arabic translation for  mathjax-native-mathml add-on
Prepare update of MathML-fonts for Gecko 31
MathML Copy 1.0:

- Do not show "Copy TeX" in the when the source is absent #2
- Trim the TeX source
MathML fonts add-on 2.0:
- Do not redefine STIXGeneral/MathJax_Main (Latin Modern and XITS will be added in bug 1014601)
- Fix XPI packaging
MathML fonts: Really force the ascent/descent to match and set the *_add parameters to zero.
New MathML font-settings add-on
Reorganize directories and README
First draft for the image-to-mathml plugin.
New options: allow combining TeXZilla & LaTeXML, make LaTeXML Web server URI configurable, allow multiple LaTeXML attempts.
Remove some code causing "require" errors.
Add localization ; add a cache for LaTeX
Move predefined conversion rules in a separate module and use a database to store them (this will make possible to add user-defined rules)
- Refactor the code to prepare for other language (e.g. Mathematica) and get
better configuration of scripts.
- Remove TeXZilla
- First draft for the "add rule" UI.
Prepare localization of the "add rule" panel.
Make the LaTeXML preload list configurable in preference and per conversion rule.
First working UI to add a new rule.
Finish first version of UI to manage rules - Version 0.2