Merge pull request #5 from amitsaluja/master

Message Source Updated to handle corner cases
Added documentation.
added contributor Amit Pal Saluja

for his contributions abount Bundle-Encoding, error behaviour and
errorhandling (he was responsible for all the commits for 0.7 and unfortunately the 0.7
version does not honor this. sorry!)

thanks again  for your contribution
[maven-release-plugin] prepare release messagesource-0.7.1
[maven-release-plugin] prepare for next development iteration
Optimizing the response time via cache.