fix(taSanitize): Allow id attribute.

Fixes #355

Author: SimeonC

src/textAngular-sanitize.js

@@ -213,7 +213,7 @@ var uriAttrs = makeMap("background,cite,href,longdesc,src,usemap");
 var validAttrs = angular.extend({}, uriAttrs, makeMap(
     'abbr,align,alt,axis,bgcolor,border,cellpadding,cellspacing,class,clear,'+
     'color,cols,colspan,compact,coords,dir,face,headers,height,hreflang,hspace,'+
-    'ismap,lang,language,nohref,nowrap,rel,rev,rows,rowspan,rules,'+
+    'id,ismap,lang,language,nohref,nowrap,rel,rev,rows,rowspan,rules,'+
     'scope,scrolling,shape,size,span,start,summary,target,title,type,'+
     'valign,value,vspace,width'));