add Eclipse IDE support
Merge pull request #35 from ponschab/eclipse-support

add Eclipse IDE support
fixed some sonar issues
avoid index out of bounds exception when no pointcut before log of db query exists

also added javax.servlet.http.HttpServlet+.do*(..) to SpringProfilingAspect
closes #34
switched order from groupByNode and highestAverage graphite functions
switched order from groupByNode and lowestAverage graphite functions
removed unnecessary if
updated changelog
(cherry picked from commit 71c7b50)
monitoring of internal overhead, some minor optimisations
fixed tests
refactored detection of forwarded requests
renamed detectForwardingExecution to detectForwardedRequest
lazily initialize request name
unregister P6Spy MBeans
performance: determine request name with aspect
removed logger, minor optimisations
added coverity scan
added coverity branch pattern
added jdk8 to travis build matrix
updated versions