Add SettingsPane class which handles settings editor without terminal.
Add SettingsPane to includes.
Added SettingsPane to IDEFilesTabView.
Pane class in now inherited from JView instead of KDView.
Use pistachio if possible.
Pane class is now a JView, there is no need to call mixin anymore.
Better renaming and code styling.
Merge pull request #1 from koding/settings-pane

Settings pane - WIP thanks @usirin