RESOLVE Math captcha broken on back button use

* RESOLVE michael-cannon/testimonials-widget#141 Math captcha doesn't work when going back in history
RESOLVE #119 Confirm WPML integration works
Add sortable columns to edit page

* RESOLVE michael-cannon/testimonials-widget#25 Add sortable columns to edit page
Replace "Source" with "Author"
Merge commit '7d3ac1a293c903a9a558c709a03d4d5bdfa846ae' into 2.0.0RC4
Update changelog
Merge commit 'fc59b0642219a7484728a227c558e82979de64bf' into 3.0.0RC2
Squashed 'includes/libraries/aihrus-framework/' changes from bf0c4cc..cc988f8

cc988f8 File mode

git-subtree-dir: includes/libraries/aihrus-framework
git-subtree-split: cc988f8a1288ba57013c3ee1a6be6883a09c3790
Source to Author renaming
Comment fix
Merge commit '38806c5c2e81d777766e78dab0cb2b4508495d8e' into 2.0.0RC4
Merge commit '32a71c690398bccdf37c0948e121999fddb9bdc4' into 3.0.0RC2
Squashed 'includes/libraries/aihrus-framework/' changes from cc988f8..10aedaf

10aedaf Hmm

git-subtree-dir: includes/libraries/aihrus-framework
git-subtree-split: 10aedaf7100434a230159ede1fefe24eaf89b67a
PHP Strict fix for get_content declaration
Link expired license to renewal page

* RESOLVE michael-cannon/testimonials-widget#143 Link expired license to renewal page
Restore deprecated TW shortcodes & theme functions

* RESOLVE #149 Restore deprecated shortcodes and theme functions to TW
Squashed 'includes/libraries/aihrus-framework/' changes from 10aedaf..54378c0

54378c0 Version 1.1.5
ae5d893 Link expired license to renewal page
ab465d2 PHP Strict fix for get_content declaration

git-subtree-dir: includes/libraries/aihrus-framework
git-subtree-split: 54378c09351779c16ef6c73d2dfabc397a0044ee
Merge commit '0d50dac59ac901cfba6c49a0d0e293588a551df4' into 3.0.0RC2
Version 3.0.0