fix: Do not format link on export mode.

The Views store isn't loaded when export mode is on. So the formatLink method of the widget's weather can't execute properly.
Since we are exporting the view as PDF, there is no need to format this link, so we disable the behavior in that case.
fix: All unittest results are OK now
Merge branch 'freeze' into develop
Update README.md
Update README.md
fix: remove aggregation interval from diagram and change keyword 'average' by 'mean' everywhere it exists
Merge branch 'develop' of https://github.com/capensis/canopsis into develop
update: Version/Release informations
Merge branch 'develop' into freeze
fix: Dependencies script for Ubuntu 10.04 and Ubuntu 11.10
Merge branch 'freeze' into develop
Merge branch 'develop' into jquery-calendar-widget