DRILL-153 - fixed classpath computation
Remove old Optiq dependency from java-exec.  Add Janino as direct dependency.
Update RPC framework to use Netty 4.0.3.Final
Correct changes in RPC framework based on Netty API changes
Fixed buffer reuse issues.  Update buffer reference counting (clearly going to be problematic)
Improve projection, filter and svremover tests.
Fix bugs introduced by addition of accessors.
Add NegativeLong function.
Reduce MethodGrabbingVisitor verbosity.
Make FunctionConverter contextual to location of loaded function for class loader improvements.
Add automatic test-jar generation to java-exec for other module use.
Add support for Float8 functions
Move MockRecordReader to use AllocationHelper
Change pom.xml to exclude other eclipse incompatible plugins for m2eclipse