Coding standard
Close recent & category widget issues

* RESOLVE #130 Recent Testimonials widget
* RESOLVE #18 Testimonials category/tag list/cloud widget
Use category and tag IDs also for selection

* RESOLVE #127 Use category and tag IDs in addition to names for testimonials selection
Squashed 'includes/libraries/aihrus-framework/' changes from c48a8c4..999e06a

999e06a RESOLVE Space missing before Collapse

git-subtree-dir: includes/libraries/aihrus-framework
git-subtree-split: 999e06a3353718bdd55284d00728162c060e9499
Merge commit '9abb89410116d7d56617e910adfb2db162661b4a' into 3.0.0RC1