CleanTypeProfileProxyPhase should cleanup after itself
Don't read beyond end of known vtable
eliminate duplicate entries from profile data
Properly handle multiple copies of the same test when unswitching
add some comments to BitOpNodesTest.java
Extra sanity checking in initHotSpotVMConfig
Unless the current revision is tagged as a release, make the Graal version 0.(n+1)-dev, in order to differentiate between release and development versions.
Fix Python style.
Add an mx install command to install the Truffle jars to the local Maven repository.