updating documenation indexing

added new event so that after github trigger we reindex all docs using
new file indexer
documenation only search working
fxing filter so we take documenation into consideration
Merge remote-tracking branch 'ismailmayat/master'

Conflicts:
	OurUmbraco.Site/OurUmbraco.Site.csproj
	OurUmbraco.Site/web.config
	our.umbraco.org/our.umbraco.org.csproj
	uDocumentation/uDocumentation.csproj
Fix some path issues and clean up DocIndexer code