Added syntax folding to syntax file. Currently folds xml summaries only.
Made start match more specific
Fixed issue when finding a non \w, so now the regex searches until it matches anything other than three slashes/
Added transparent and keepend in order to allow highlighting of the xml stuff. Added detecting of fold's first line to see if it's a summary or region and displays text accordingly.
Fixed issue where it would assign multiple fold levels to the same fold and simplified the end regex.
Merge pull request #163 from JosephFerano/master

Added syntax folding to syntax file. Currently folds xml summaries only.