Add 'collapse all' and 'link with main panel' buttons to navigation

Signed-off-by: Madhura Jayaratne <madhura.cj@gmail.com>
Translated using Weblate (Azerbaijani)

Currently translated at 47.5% (1317 of 2768)
Translated using Weblate (Tamil)

Currently translated at 31.2% (864 of 2768)
Merge remote-tracking branch 'origin/QA_4_2' into QA_4_2
Translated using Weblate (German)

Currently translated at 93.9% (2600 of 2768)
bug #4498 PMA 4.2.x and HHVM

Signed-off-by: Marc Delisle <marc@infomarc.info>
ChangeLog entry

Signed-off-by: Marc Delisle <marc@infomarc.info>
Translated using Weblate (German)

Currently translated at 94.0% (2602 of 2768)
Translated using Weblate (Slovak)

Currently translated at 77.2% (2138 of 2768)
Merge remote-tracking branch 'origin/QA_4_2' into QA_4_2
Merge commit 'bed74ce'
Merge commit 'c66aa5c'
Merge commit '82187c0'
Translated using Weblate (Slovak)

Currently translated at 71.7% (2114 of 2947)
Merge remote-tracking branch 'origin/master'
bug #4500 mysql_doc_template is not defined

Signed-off-by: Marc Delisle <marc@infomarc.info>
Merge branch 'QA_4_2'
PMA_tooltip was used before it was defined

Signed-off-by: Marc Delisle <marc@infomarc.info>
Translated using Weblate (Simplified Chinese)

Currently translated at 84.3% (2485 of 2947)
Merge remote-tracking branch 'origin/master'