* fix jruby-stdlib include pattern for default gems and their bin files

* added integraty tests for jruby-jars

* jruby-dist uses ALL files from jruby-stdlib and adds ONLY the remaing files from filesystem

* adjusted all integraty tests to new longer list of default gems
Merge branch 'jruby-1_7' of jruby.org:jruby into jruby-1_7
build jruby.jar before running all the mvn profiles
silence the mvn output, make sure rspec is installed
more log for dist targets
remove obsolete dependency
fix IT to follow the project.version instead of hardcoded version

[skip ci]
Add flag to rewrite Java-initiated exception stack traces.

The new flag is rewrite.java.trace=true and will rewrite all Java
exceptions to reflect the Ruby trace. This may be safe to have on
all the time, but the overhead of rewriting the exception may be
enough to leave it off.

Fixes #1313
Merge branch 'jruby-1_7'

Conflicts:
	maven/jruby-jars/src/it/integrity/verify.bsh
	maven/jruby-stdlib/pom.xml