* Use a sensible step value for the history size spinbox
* Remove some more old commented out code and tidy up some API documentation
* Add keyboard shortcuts for switching between tabs and views.  Currently:
    Shift+Left  - Previous Tab
    Shift+Right - Next Tab
    Shift+Tab   - Next View ( only applicable when in split-view mode )


svn path=/branches/work/konsole-split-view/; revision=646521