fix action comparison when comparing DeoptimizeNodes
fix printing of pc in deopt message
slighty stronger assert in verify
Add AnsiColor.

--HG--
extra : rebase_source : 27c42c1777832801e392822b86269018b27d6281
mx unittest: add color support.

--HG--
extra : rebase_source : 0a90e8c6876ec888db7453e37b151f1a97b7c6fe
extra : source : b63c7d5a98542f180da29eb8a3e14e51375b8ada
mx unittest: add --eager-stacktrace.

--HG--
extra : rebase_source : 6f557be2b56abd2dfab2f4878660663f3765aece
mx unittest: simplify argument passing.

--HG--
extra : rebase_source : 7bf5515c77a89cbeabace029585f93d6d89187e4
extra : source : 973b16cbeedb5ec385736770ea71d4c7bfee7e11
extra : histedit_source : 84dc17c0a95bcfb8c0cb31d94d1cf83719a2abbe
GraalVerboseTextListener: fix testFailed printing.
implement NodeBitMap.toString
tests for ObjectStamp.meet
correctly handle illegal stamps in ObjectStamp.meet
mx: added jrelibrary dependency type
mx: once mx/projects is loaded, projects and libraries that depend on non-existent JRE library or have a javaCompliance higher than any available JDK are ignored
added Java Flight Recorder (JFR) event support
Merge.