Update scm gitexe provider plugin to 1.9
Hide empty catalogs from the catalog list

* Related forum post:
https://groups.google.com/forum/?fromgroups#!topic/pivot4j-list/SsiHqxW8HCM
Rearrange toolbar buttons to make more space

Related forum post:

* https://groups.google.com/forum/?fromgroups#!topic/pivot4j-list/IFhllftV3J8
Hide 'Enable Scenario' button when it is not supported
Fix #166: Allow users to edit report after opening it in read only mode 

Task-Url: http://github.com/mysticfall/pivot4j/issues/issue/166