use snapshot jruby-openssl gem
fix build to use snapshot gems from oss.sonatype.org
fix some info about releasing, testing, etc
[skip ci]
address the fact that the new jruby-openssl gem does not require krypt any more

moved around the osgi integration tests to be easier managed
* fix version in GH-1983 test
* fix not more loadService debug
* fix list of activated gems
delete installed jars on clean to avoid packing old jars as well
[build] * stick to jruby-openssl-0.9.5 for the time being
        * only delete bouncycastle gems on clean
        * squashed two integration tests into one
        * allow to run single integration test with mvn -Pmain -Dinvoker.test=integrety
        * obsolete build file
        * extract the osgi and j2ee integration tests into their own profile
        * let travis use those new osgi and j2ee targets
[build] extract the osgi and j2ee integration tests into their own profile
[build] reduce j2ee profile to minimum
[build] make the osgi more independent of jruby-openssl version used
[build] make sure we have jruby-core artifact with noasm classifier installed for subsequent tests
Performance improvements to event tracing.

* Avoid CopyOnWriteArrayList iterator construction (use a simple
  array and iterate over that) for event hook list
* Use int[] to represent line number hit counts.
* Fix int[] size checking to avoid excessive allocation.
* Fixes to trace correctly in compiler without Backtrace.