JCLOUDS-369: Added a new predicate to capture disk links

Added a new predicate to capture disk links
JCLOUDS-291: Add pagination support to the cloudsigma2 provider.

https://issues.apache.org/jira/browse/JCLOUDS-291
Fix code style of the cloudsigma2 provider.
JCLOUDS-387: Removing DISCLAIMER file now that jclouds has graduated
Remove more incubator references

Fixes JCLOUDS-388.
Fix issue in the cloudsigma2 provider when ip fields are parsed as String instead of IP.
CloudSigma provider cleanup

* Removed the ComputeService view from the ApiMetadata
* Enabled the tag live tests, as they are now passing again
* Fixed the editProfileInfo live test
JCLOUDS-381. Allow explicit naming of nodes, decouple group identity from node name
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 1.7.0 parent
[maven-release-plugin] prepare release jclouds-labs-1.7.0-rc2