#111: New chart API with complete axis customization.

http://github.com/mysticfall/pivot4j/issues/issue/111
Merge drill down mode buttons to make room in the toolbar.
Fix #143: Catalog chooser shows hidden cubes.

http://github.com/mysticfall/pivot4j/issues/issue/143
Fix #111: Add charting support.

http://github.com/mysticfall/pivot4j/issues/issue/111
Fix #132: Charts definitions not saved with report

http://github.com/mysticfall/pivot4j/issues/issue/132