Persian translation (fa)

* translated strings to persian
* fixed french strings (unescaped single quotes)
* created nodpi instructional images for USB debugging and PTP instructional screens. I don't have an HTC with persian on it to see what the text looks like. If you can send me a screen shot of one with the language set to Farsi (فارسی) I'll gladly update that page too.
* some workspace-specific files were checked in (.classpath, gen, etc) I deleted those (back up your .classpath file before syncing, you'll have to replace it)
* Added a .gitignore file so that the above mentioned files won't be mistakenly checked in