Improvements based on PMD & FindBugs rules.
Fixes #79
Improvements based on PMD & FindBugs & CheckStyle rules.
Add Sonar configuration.
Add Sonar config.
Improvements based on Sonar results.
Add Sonar config.
Merge branch 'master' of git://github.com/MiquelSanahuja/mTor

Conflicts:
	src/main/java/nl/bhit/mtor/client/provider/DiskSpaceMTorMessageProvider.java
	src/main/java/nl/bhit/mtor/client/provider/FreeMemoryMTorMessageProvider.java
	src/main/java/nl/bhit/mtor/server/webapp/util/RequestUtil.java
	src/main/java/nl/bhit/mtor/service/MessageManager.java