Remove our DeployQt4 copy

Recent cmake versions should have all the necessary fixes.
Activity Report: Disable manual range selection for "Last Month"

Only enable the widgets for "Manual selection".

Fixes #133
Use Q_FUNC_INFO in Q_ASSERT_X

No need to write the current method manually.
Also was wrong in a few cases.
Merge pull request #141 from frankosterfeld/work/qfuncinfo

Use Q_FUNC_INFO in Q_ASSERT_X
Merge pull request #140 from frankosterfeld/work/activity-selection

Activity Report: Disable manual range selection for "Last Month"
Fix warnings from automoc

<3 sed
Merge pull request #143 from krf/fix-automoc-warnings

Fix warnings from automoc
Fix week distance calculation

And accidentally redo what was already done on KDAB's branch
because I forgot to pull from there first... *sigh*
Normalize changes vs KDAB master
Merge branch 'OlivierJG-master'