FAQUpdate

Added sections to FAQ and added some new FAQs.
Revert "FAQUpdate"

This reverts commit 027b3a778fae99439aec63465095fbc8f910283a.
Restructed FAQ and added new FAQs
Update NuGet-FAQ.markdown

Incorporated the CR comments
Merge pull request #102 from NuGet/bhuvak-FAQ

Update to FAQ doc