Merge branch 'master' of https://github.com/socia-platform/htwplus into develop
Merge branch '20_newOptionMenu' into develop
Merge branch '20_newOptionMenu' into develop
Merge branch '14_stayLoggedin' into develop
Merge branch '14_stayLoggedin' into develop
Merge branch '14_stayLoggedin' into develop
Merge branch '20_newOptionMenu' into develop
Merge branch '20_newOptionMenu' into develop
Merge branch '20_newOptionMenu' into develop
Merge branch '12_autolinker' into develop
Merge branch '12_autolinker' into develop
Merge branch '26_NotificationRefactoring' into develop
This commit reverts using of lambda expressions, as we support Java 7 only at the moment.
This commit reverts using of lambda expressions, as we support Java 7 only at the moment.
This commit reverts using of lambda expressions, as we support Java 7 only at the moment.

Class:
- Account: String,join() not available in Java 7, replaced by own implementation of join
Class:
- GroupAccount: Fix methods by using JPA transactions
- GroupController: Use GroupAccount.findAccountsByGroupTransactional()
JS:
- notification.js: Fix to unhide "show all notifications" when receiving first notification

Template:
- menuitem.scala.html: Always render "show all notifications", but hide if no notification available

CSS:
- htwplus.css: Hide border on "no new notifications"