Revert "CodeMirror was cleared"

This reverts commit 549c48b08df051aa90a60555f86edb2ecd8e33f1.
Revert "Revert "CodeMirror was cleared""

This reverts commit b3ddcc7333d2d5043d66a5108b4d9adc2925d39a.
Revert "Revert "Revert "CodeMirror was cleared"""

This reverts commit e82b7d0248c1f5803f1e548fa77e5c884ec6235a.
Merge branch 'master' of https://github.com/ntoskrnl/javafiddle.git
some bugs fixed