init project structure
added spweb extensions
added nunit framework + runner; added blank runallowunsafeupdates test
added reference to sharepoint in test project
added spmanager base class, added spwebmanager selecton, added spmanager object tests
added constructors for web objects, urls etc
added config url and fake context (so tests run with SPContext)
added object extensions; throw if null
fixed typo
added spmanager tests
added create and delete method for web manager, added tests, added change method for spmanager
renamed spmanager
added nuget package
updated project site
Merge branch 'develop'