Added FAQ directory under docs, with several entries#106

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kjmcclaning wants to merge 2 commits intoenthought:mainfrom

kjmcclaning:master

Commits on Mar 18, 2013

Added FAQ directory under docs directory. Added several Chaco examples
kjmcclaning
committed

Commits on Apr 18, 2013

cleaned up FAQ dir per comments. Hopefully more readable and useful.
kjmcclaning
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