Merge pull request #78 from ysb33r/master

Fixes #77 - Fixed issue with gemWorkDir not specified
Update CHANGELOG.md
Revert "Fixed issue with gemWorkDir not specified"

This reverts commit 84706976d123fce894a21c5d2c247b6dc7d66aca.
Revert "Added support for gemWorkDir so that GEM working dir for JRubyExec can be customised by user"

This reverts commit 0b39b1314a0289f4010f68786f296bc59fd5f8ac.

Conflicts:
	src/main/groovy/com/github/jrubygradle/JRubyExec.groovy
Force jar-dependencies and jbundler to not attempt to install java dependencies via `gem install`

Fixes #79
Add bouncycastle as a default dependency for JRubyExec

bouncycastle is distributed inside of the jruby-complete jars but is not
actually on the classpath in any useful way
Ensure JRubyExec uses the correct environment variables to disable default behavior in jar-dependencies

Fixes #79
Missed a plural, whoops!
Update changelog for 0.1.8
Removed requirement on most integration tests to be online to run. DIsabled two integration tests until I have a better idea to do the same for them.