init commit
Added runes to be highlighted.
Added all functions defined in hoon.hoon
General fixes (including strings).
Improved indent.
As per Curtis's suggestion, highlight atom odors.
As per Curtis's suggestion, remove identifier highlighting.
Changed hoonAtom to Identifier.  I think this is better?
Improved number matching to match across whitespace.
Improved rune matching to correctly digraphs following tis.
Added support for base32 and base64 numbers and double-quoted strings.
Okay, I think this finally fixes digraph highlighting for good.
Fixed rune highlighting at beginning and end of line.
Highlight tistis and hephep and recongize cenbar, etc. as constants.
Merge remote-tracking branch 'vim/master'