Adding basic support for actions shortcuts UI.
Cherry picked commits with config edits form feature/test-suite.
Added keybindings to Shell actions
 - Added config retrieval for key bindings
Added partial keybinding action executions (runs only after opening the menu for the first time).
Added support for action execution
Cleaned up branch
Merge branch 'feature/actions-shorcuts' into develop
Added support for command line options
 - Opens a file from the command line
 - Opens a directory from the command line
 - Shows a list of available options (if a DLL is not included that option is not shown nor used)
Added help string for command line options.
Merge branch 'feature/open-file-startup' into develop
Adding base package disabling
no message
Fixing bug with actions being executed twice.
Merge branch 'develop' into feature/package-disable
Fixing package disabling
Fixing disabling packages which are loose DLL files.
Merge branch 'feature/package-disable' into develop
Merge branch 'develop' into feature/test-suite

Conflicts:
	SuperbEdit.Base/Config.cs