Do not crash on status and script tabs if opcache is disabled#49

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tmuic wants to merge 3 commits intorlerdorf:masterfrom

Commits on Nov 15, 2017

Do not crash on status tab if opcache disabled
Tomislav Muic
committed
Do not crash on scripts tab if opcache disabled
Tomislav Muic
committed
Return N/A as script count when opcache is disabled
Tomislav Muic
committed