ticket:10243: Free resource bundle before opening another one

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@34068 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9526: Fixed a parsing problem with custom monetary gouping separator. Fixed some bad coding style. Added a test case for testing custom symbols.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@34069 251d0590-4201-4cf1-90de-194747b24ca1