Remove duplicate check.
Updating the README.md.

Extended linux descriptions, changed build instructions for 1.6.x compilations.
	modified:   README.md
Changed README.md to replace mentions of 1.6.3 with those of 1.6.4
Updated de_DE.lang, Closes #452

I am not sure about the hyphens in ll. 51-55, tell me your opinion.
Added Wliu's Recommended changes, and cleaned up laziness-mistakes.
derp.
Improvements thanks to @Robotic-Brain
Changed some things around again.  I /think/ that's all.
I can't believe I missed that local repository line.  //Shame
typo
Update nl_NL.lang

As a native Dutch speaker, these translations seem really weird, so I added my own.
Improvements thanks to @Robotic-Brain , again.
Added language file for norwegian bokmål.
Rename no_NO to nb_NO
Small changes.
Delete outdated nb_NO.xml file.
Update with good changes from #463, closes #463
Rename nb_NO to nb_NO.lang
Messing around
Nothing to see here, switching workstations :-p