Update AbstractMethod.java

Updated to forcibly close the HttpClient connections similar to what David L did in the AWS cloud impl
Merge pull request #70 from andylyall/2014.03

Update AbstractMethod.java
bugz 4266: revert connection closed stuff for file download only
Merge pull request #73 from daniellemayne/2014.03

bugz 4266: revert connection closed stuff for file download only - 2014.03
[maven-release-plugin] prepare release dasein-cloud-openstack-2014.03.2
[maven-release-plugin] prepare for next development iteration
Merge branch '2014.03'
Update version