Merge pull request #1 from hotstone/master

FeatureSwitching configuration and packages update for VS2012.
Updated readme and added comment to ApiHttpHandler implementation
Moved FeatureSwitchBase into FeatureSwitchTypes namespace. Don't load abstract classes as feature switch types.
FeatureSwitch type in test web app is now derived from FeatureSwitchBase
Updated readme.md with goals.
Update readme.md

Formatting changes to Readme.md
Merge branch 'master' of git://github.com/lloydstone/femah
Removed exception-throwing feature switch.