JCloudSlave now inherit from AbstractCloudSlave instead of Slave
slave termination and cacthing exception fixed
Credential field is now password type
add parameter jvmOptions to launch slave agent with custom JavaVM
options
delete unused variable
format xml in propper way, also bumped java version to 1.7
more readable help msg for jvmOptions parameter
added OpenStack zones parameter to restrict spawning cloud slaves to
them
jvm options getter fixed
tests fixed according to new constructor
unused matcher removed
merged with master branch
merged with master branch
style fixes
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/java/jenkins/plugins/jclouds/compute/JCloudsSlaveTemplate.java
	src/test/java/jenkins/plugins/jclouds/compute/JCloudsSlaveTemplateTest.java
Merge pull request #59 from mavlyutov/master

added few options to openstack provider
Added capability to specify explicit security group for each slave template