Hotfix/office availability

Solves bugs in daily planning:

• sorting of columns by availability.
• auto adjust width of columns after the window loads and after a window resize.

Working fine in prc-test.parkinson.lu

added 10 commits

• e7e29d6f...5cc0b4a0 - 9 commits from branch master
• 899d6184 - Merge branch 'master' into hotfix/office_availability

Compare with previous version

assigned to @carlos.vega

assigned to @piotr.gawron

merged

mentioned in commit 6a3aeac5