title: Routing with special character " : " in Angular2
body: <p>My URL are like
  abc.org/books/sort:created/direction:desc
  abc.org/books/sort:mostviewed/direction:desc</p>
  
  <p>abc.com/books/schools/sort:created/direction:desc
  abc.com/books/schools/sort:mostviewed/direction:desc</p>
  
  <p>I want my sort parameter to contains "created" or "mostviewed" but angular routerLink converts " : " to " %3A " and my links become</p>
  
  <p>abc.org/books/sort%3Acreated/direction%3Adesc
  abc.org/books/sort%3Amostviewed/direction%3Adesc</p>
  
  <p>abc.com/books/schools/sort%3Acreated/direction%3Adesc
  abc.com/books/schools/sort%3Amostviewed/direction%3Adesc</p>
  
  <p>and "created" or "mostviewed" are not assigned to sort params. </p>
  
  <p>How to I escape " : " both in routing &amp; routerLink.</p>