prepare 0.8.3 release
fixed md5 file creation
added compile steps for osx
README.markdown: Moved build instructions to wiki
README.markdown: Moved build instructions to wiki

mend
Fix of https://github.com/rtreffer/asmack/issues/7
Merge pull request #50 from dant3/BOSH

Fix for JBOSH-24  http://kenai.com/jira/browse/JBOSH-24
Correct BOSH_START regex to allow compilation on Android platforms