RFE-1426: Navigation state lost on reload + Bugfix-4439

Signed-off-by: Chirayu Chiripal <chirayu.chiripal@gmail.com>
fix js error: undefined dataTransfer.files in IE9

Signed-off-by: D-storm <chirayu.chiripal@gmail.com>
clarify variable origin (db_operations.php)

Signed-off-by: D-storm <chirayu.chiripal@gmail.com>
Merge pull request #1304 from D-storm/scrutinizer

clarify variable origin (db_operations.php)
Translated using Weblate (Azerbaijani)

Currently translated at 47.4% (1399 of 2947)
Merge remote-tracking branch 'origin/master'
Merge pull request #1305 from D-storm/drag-drop

fix js error: undefined dataTransfer.files in IE9
Fix execution path notice

Signed-off-by: Marc Delisle <marc@infomarc.info>
Fixed codesniffer error in documentation

Signed-off-by: chanaka <chanaka@oneit.com.au>
Translated using Weblate (Interlingua)

Currently translated at 58.6% (1729 of 2947)
Merge remote-tracking branch 'origin/master'
Simplify test

Signed-off-by: Marc Delisle <marc@infomarc.info>
Fixed some codesniffer errors

Signed-off-by: chanaka <chanaka@oneit.com.au>
Translated using Weblate (Azerbaijani)

Currently translated at 47.5% (1400 of 2947)
Translated using Weblate (Dutch)

Currently translated at 97.3% (2868 of 2947)
Merge remote-tracking branch 'origin/master'
Translated using Weblate (Tamil)

Currently translated at 31.7% (937 of 2947)

Dia தரவேற்ற பக்கம்
Translated using Weblate (Tamil)

Currently translated at 31.8% (938 of 2947)

EPS தரவேற்ற பக்கம்
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Currently translated at 31.8% (939 of 2947)

PDF தரவேற்ற பக்கம்
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Currently translated at 31.8% (940 of 2947)

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