bug #4226 Notice: Undefined index: pma_config_loading

Signed-off-by: Marc Delisle <marc@infomarc.info>
Merge branch 'QA_4_1'
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fixed #4229 Javascript error in SQL edit window

Signed-off-by: Viduranga Wijesooriya <vpowerrc@gmail.com>
Merge pull request #857 from vpowerrc/bug-#4229

fixed #4229 Javascript error in SQL edit window
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Merge remote-tracking branch 'origin/QA_4_1' into QA_4_1
Merge commit '142b64581c882f866c99f897793b559b36869b3d'
Merge remote-tracking branch 'origin/QA_4_1'
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Merge remote-tracking branch 'origin/master'