fix(angular.encodeUriSegment): do not encode semi-colon

RFC 3986 indicates that ; is not encoded as part of the URI, as is the case
with other members of sub-delim. Changed encodeUriSegment to match that
behaviour, along with the corresponding spec.

Author: brettporter

src/Angular.js

@@ -1065,6 +1065,7 @@ function toKeyValue(obj) {
  */
 function encodeUriSegment(val) {
   return encodeUriQuery(val, true).
+             replace(/%3B/gi, ';').
              replace(/%26/gi, '&').
              replace(/%3D/gi, '=').
              replace(/%2B/gi, '+');

test/AngularSpec.js

@@ -569,12 +569,12 @@ describe('angular', function() {
         toEqual("-_.!~*'()%20-_.!~*'()");
 
       //don't encode the rest of pchar'
-      expect(encodeUriSegment(':@&=+$, :@&=+$,')).
-        toEqual(':@&=+$,%20:@&=+$,');
+      expect(encodeUriSegment(':;@&=+$, :;@&=+$,')).
+        toEqual(':;@&=+$,%20:;@&=+$,');
 
-      //encode '/', ';' and ' ''
-      expect(encodeUriSegment('/; /;')).
-        toEqual('%2F%3B%20%2F%3B');
+      //encode '/', and ' ''
+      expect(encodeUriSegment('/ /')).
+        toEqual('%2F%20%2F');
     });
   });