Merge pull request #49 from IPA-Lets-Study-Together/dev

Developers documentation added
Merge pull request #50 from IPA-Lets-Study-Together/dev

Closes #18
Merge pull request #51 from IPA-Lets-Study-Together/dev

Configuration form showATbar feature
Merge pull request #52 from IPA-Lets-Study-Together/dev

Added Croatian language
Merge pull request #53 from IPA-Lets-Study-Together/dev

instance_allow_multiple() added
Merge pull request #54 from IPA-Lets-Study-Together/dev

Clean theme compatibility improvements
Merge pull request #55 from IPA-Lets-Study-Together/dev

$PAGE replaced with $this->page
Merge pull request #56 from IPA-Lets-Study-Together/dev

TinyMCE editor color profile fix
Merge pull request #57 from IPA-Lets-Study-Together/dev

Initial plugin style improved
Merge pull request #58 from IPA-Lets-Study-Together/dev

loading icon added; colour buttons background fixed
Merge pull request #59 from IPA-Lets-Study-Together/dev

README.txt and version.php updated
Merge pull request #60 from IPA-Lets-Study-Together/dev

More smooth actions in javascript
Merge pull request #64 from IPA-Lets-Study-Together/dev

Block disabled for unauthenticated users
Merge pull request #65 from IPA-Lets-Study-Together/dev

New loader icon added
Missing tran
Update block_accessibility.php
Merge pull request #67 from nadavkav/patch-1

Fix for missing translation strings
addinstance and myaddinstance lang strings added to all language files