add .suo, ReSharper, bin, obj
add CommonAssemblyInfo.cs and links in .csproj
strip down AssemblyInfo.cs in each .csproj
replace in-line path dirs specification with requried Include attribute to PathDirs so that the path directories are now included in a text file (for re-use across profiles)
Profile WorkingDir now relative to the Profile file path (in the same way that the PathDirs Include file is also relative to the Profile file path)
move Reload item to top menu because it's easier to reload after editing the profile files when it is less clicks away
ApplicationException thrown if the editor program path doesn't exist
copy Profile.xsd to output dir for reference by users