Fix hashtag length to accept up to 139 characters

Author: Pierre-Louis Peeters

dist/Autolinker.js

@@ -1709,7 +1709,7 @@ Autolinker.matchParser.MatchParser = Autolinker.Util.extend( Object, {
 	matcherRegex : (function() {
 		var twitterRegex = /(^|[^\w])@(\w{1,15})/,              // For matching a twitter handle. Ex: @gregory_jacobs
 
-		    hashtagRegex = /(^|[^\w])#(\w{1,15})/,              // For matching a Hashtag. Ex: #games
+		    hashtagRegex = /(^|[^\w])#(\w{1,139})/,              // For matching a Hashtag. Ex: #games
 
 		    emailRegex = /(?:[\-;:&=\+\$,\w\.]+@)/,             // something@ for email addresses (a.k.a. local-part)
 		    phoneRegex = /(?:\+?\d{1,3}[-\s.])?\(?\d{3}\)?[-\s.]?\d{3}[-\s.]\d{4}/,  // ex: (123) 456-7890, 123 456 7890, 123-456-7890, etc.