implement feature request #1489

Signed-off-by: Umair Khan <omerjerk@gmail.com>
Replace if condition with a better code

Signed-off-by: Umair Khan <omerjerk@gmail.com>
Merge pull request #866 from omerjerk/QA_4_1

implement feature request #1489
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Merge remote-tracking branch 'origin/QA_4_1' into QA_4_1
Merge commit '494a1a8727165b22e685ce72af11bc27d8626cc3'
Merge remote-tracking branch 'origin/QA_4_1'
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Currently translated at 96.4% (2658 of 2757)
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Merge remote-tracking branch 'origin/master'
Changelog entry

Signed-off-by: Michal Čihař <mcihar@suse.cz>
Merge remote-tracking branch 'origin/QA_4_1'
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Merge branch 'QA_4_1'

Conflicts:
	libraries/Util.class.php
Merge remote-tracking branch 'origin/master'
Update TCPDF to version 6.0.055

Signed-off-by: Madhura Jayaratne <madhura.cj@gmail.com>
Remove obsolete method

Signed-off-by: Madhura Jayaratne <madhura.cj@gmail.com>
Fix indentation

Signed-off-by: Madhura Jayaratne <madhura.cj@gmail.com>
Suffix files containing classes with .class.php file extension

Signed-off-by: Madhura Jayaratne <madhura.cj@gmail.com>