make IntelliJ available on Ubuntu
Merge remote-tracking branch 'origin/master'
[log] issue links in the table (IDEA-115992)

* Let AbstractPaddingCellRender extend ColoredTableCellRenderer
* Remove unnecessary ExtDefaultCellRender.
* Install the TableLinkMouseListener on the table.
javadoc updated
extracted method to fetch library versions synchronously
compilation fixed
EA-51542 - PIEAE: ClsFileImpl.getContainingFile
IDEA-115092 Progress indicator: Throwable at AbstractProgressIndicatorBase.start()