update code for nrefactory master
removed cecil folder
Squashed 'NRefactory/' content from commit ef1a5d6

git-subtree-dir: NRefactory
git-subtree-split: ef1a5d6314f70c8e6548af08e86663bce5424916
Merge commit '554728e9dc42653a4281684b7187084c25418efe' as 'NRefactory'
Squashed 'cecil/' content from commit 8425de4

git-subtree-dir: cecil
git-subtree-split: 8425de4db6a6e120154ced991f1ebc8d4d79dfb5
Merge commit '5480139b331ff7972b47eec44db3c3940a336f92' as 'cecil'
turn off documentation for tests
added AppHarbor solution file
set cecil to be a .net 4.0 project
removed ExtensionAttribute
fixed targets
updated appharbor sln
added release config for cecil
updated release config for cecil
updated release config for cecil
fixed code actions
update codeformat to work with nrefactory's new CSharpFormatter
find usages big speed improvement
find usages big speed improvement
set the same configuration for each project