Correct jcloud -> jclouds typos

Corrected with:

find -name pom.xml | xargs sed -i 's/jcloud\>/jclouds/'
Correct jcloud -> jclouds typo
Address Checkstyle violations
JCLOUDS-390. Update calculation of subscriptions according recent changes in the cloudsigma2 provder API.
Address Checkstyle violations in tests
Properly configure CloudSigma2 live test dependencies
Enforce no unused imports via Checkstyle

Removed with:

mvn checkstyle:checkstyle --quiet -Dcheckstyle.output.file=/dev/stdout -Dcheckstyle.output.format=plain | tac | while read i; do echo $i | sed -n 's/\([^:]*\):\([^:]*\):.*/sed -i \2d \1/p' | bash; done
Remove redundant imports
Fix cloudsigma2 POMs to use parent.version, not project.parent.version.
Updating to 1.8.0-SNAPSHOT
Replace calls to Closeables.closeQuietly

Guava 16 removes this API. Replace with Closeables2.closeQuietly.
References JCLOUDS-413 and JCLOUDS-415.