Updated build script to support /regex/ style expressions
Added support for /regex/ style expressions in language highlighters
 - Support for begin, end and illegal being specified as regex expressions
 - Will decompile regular expressions if necessary and recompile when done (necessary for combining regex matchers)
Merge branch 'master' of github.com:isagalaev/highlight.js
Fixing up /regex/ style expression code
Merge branch 'master' of github.com:SPARTAN563/highlight.js into literal-regexps
Fixed indentation in langRe