Copy the jar file into the dropin folder of eclipse.
Start like this: ./eclipse -clean (to reread the updated plugin file)
Various enhancements
-On eclipse "project clean", the CodeChecker DB is removed. This allows cleaning up the results in case the results suck in (CodeChecker version change)
-log4j logging was removed and now Eclipse PDE log is used (logs are available from eclipse "error" window)
-fixed various bugs related to refreshing the check results.