Pass log item's own time as previous_time to the issuelogitem template (which means no timestamp will be output). Resolves issue #2251.
Adds an initial transition when creating a blank workflow. The lack of this transition breaks the application when creating blank workflows.
Divide the total of TBGIssue::getSpentHours() by 100
Fixes burndown charts according to the division by 100 for every hour
Merge pull request #236 from azaghal/2251_3.3

Pass previous_time to issuelogitem
Merge pull request #237 from afortaleza/master

Adds an initial transition when creating a blank workflow.