Updated MahApps
Updates Catel nuget packages
changes which makes LogHelper to create log files with more unify names
Merge pull request #27 from Khomutov/develop

changes which makes LogHelper to create log files with more unify names
Merge pull request #28 from auz34/develop

Evolve Orchestra.Example.Ribbon.Microsoft project
Fixed ribbon data context example
Merge remote-tracking branch 'orcomp/develop' into develop