* Implement basic outlining tagger
* Refactor menu command system to use separate class per command
* Add new add/remove outlining commands to Viasfora submenu
Rename region -> Outlining
Can now add outlines!
Can now remove user outlines as well
Refactor OutliningTagger to use simpler query
Add icons for new commands
Outlining: Enable/Disable remove command based on caret position
Outlining: Add options in context menu as well
Removing dependency on Microsoft.VisualStudio.ComponentModelHost
Outlining: Handle projection buffers used by razor documents
Create a copy of the license file so the VSIX works
Outlining: Alternate way of dealing with projection buffers based on suggestion from Schabse Laks
Outlining: Implement Clear Outlining command
Merge branch 'regions' into develop