Only terminate instances created as part of PrivateIPAddressing test.
Test cleanup:

Eutester - remove seconds from time stamp appended to resource names for ELB tests now we have no underscore in ELB name for DNS compatibility.

Eutester4J - New test case to cover setting desired capacity below minimum (new in 4.0), modified tests that set desired capacity to zero by ensuring minimum size is zero first.
Merge pull request #262 from tbeckham/testing

Test cleanup
Merge pull request #260 from kto/fix_private_ip_addressing_test

Only terminate instances created as part of PrivateIPAddressing test.
Merge remote-tracking branch 'gitlab/testing' into testing
fixed assertion - replaced assertEqual with assert
Add skew to uptime in correct place.

Change-Id: I166a290f63066aa155ecb9fa1ab2e74a37dccb19
Merge branch 'testing' of github.com:eucalyptus/eutester into testing
Merge branch 'testing' of git.qa1.eucalyptus-systems.com:qa-repos/eutester into testing
Merge pull request #263 from shaon/fixbuckettest

fixed assertion - replaced assertEqual with assert
Merge branch 'testing' of github.com:eucalyptus/eutester into testing
Merge pull request #264 from bigschwan/testing

Test units to configure imaging service and install hvm image
Merge branch 'testing' of github.com:eucalyptus/eutester into testing
Add requests to requires
Set gpg flag when installing imaging service worker
Catch yum failures, update/fix install imaging worker