console help WIP
Extracted inline action object creation, implemented it in console controller in order to use console inline action instead of base one
Removed description and help code duplication
Got rid of console inline action
Fixed getting controller description, refactored a bit more
Moved common help parsing code into HelpParser. Action methods now have default implementation.
Added information about --appconfig to output of help command, color option is now passed to controller whose help we're getting
Merge pull request #4913 from yiisoft/console-help-refactoring

Console help refactoring