fix codemirror octo mode regex for relational operators.
fix codemirror octo mode regex for relational operators.

JohnEarnest/Octo,JohnEarnest/Octo,james0x0A/Octo,james0x0A/Octo,JohnEarnest/Octo,JohnEarnest/Octo,JohnEarnest/Octo