Added more keywords, fonts, openings, etc

Tested with the files in (this zip file)[http://www.3gpp.org/ftp/specs/archive/29_series/29.002/ASN.1/29002%207f0%20ASN1.zip]
Double brackets and curly brace support
restore copyright (somehow it got away)
Merge pull request #1 from etcimon/patch-2

Merged pull#1: Added more keywords, fonts, openings, etc