Switch to grml

Change-Id: I38be716950a629cfc433902cae579213addcc3ed
Remove old syntax highlighter

Change-Id: I28fe57ef43552dfc2d68f6a5d2a05af8ae5d4cbc
Start using new syntax highlighter

Change-Id: Iacb29fb1484908cd2afe235c39a6c063c992f6b5