Revision 1594483

`svn merge -c1594481 ^/tiles/framework/branches/TILES_3_0_X .`
| further fixes on 
|      TILES-574 – Tiles expressions do not work after wildcard
| 
| PatternUtil.INVALID_FORMAT_ELEMENT, the pattern to match "{.*}" occurrances that are not meant to be replaced, was in some cases was matching two much.
|  see test PatternUtilTest.testReplacePlaceholdersEL_options
| This resulted in "PatternSyntaxException: named capturing group is missing trailing }"
| 
| 3 tests have been added to cover such various side-cases.