Tosca

Release Notes: Refactoring of the email notification system. Improved user isolation (for contracts where issues are not shared between recipients). Some bugfixes.

Release Notes: This release added stats to the activity report per program, private software support, new CSS engines, dynamic comment display, "re-generate my password" functionality, a search panel for the contracts list, dynamic and public alerts for a team, support for tags, a theme chooser, a digest report of issue activity, and a calendar view of issues.