Merge pull request #1253 from dkoper/master

improved poll retry comments
added Task api for UltraDNS
soapenv:mustUnderstand was in wrong position
Merge pull request #1252 from jclouds/ultra-tasks

added Task api for UltraDNS
completed route53 zone commands
added GCEL linux to OsFamily
Merge pull request #1255 from jclouds/route53-zone

completed route53 zone commands
Merge pull request #1257 from dralves/master

added GCEL linux flavor to OSFamily
Rename methods for consistency with other Rackspace/OpenStack APIs. Changed remove to delete as delete is the opposite of create.
Merge pull request #1258 from rackspace/rax-clb-method-rename

Rename methods for consistency with other Rackspace/OpenStack APIs.
switched to logback
added list api for route53 resource record sets
Merge pull request #1259 from jclouds/route53-rrsets

Route53 rrsets
issue #1089 synchronous commands no longer spawn threads unless a timeout is specified
changes that facilitate synchronous fallbacks and http invocation
issue #1089 removed default timeout values so that those not using async will have simpler debugging
issue #1184 changed aws apis to use Action key for config instead of more verbose iam names
Merge pull request #1260 from jclouds/sync-http

Synchronous commands now use calling thread
Merge pull request #1261 from jclouds/aws-action-names

changed aws apis to use Action key for config instead of more verbose iam names
allow SelectJson to specify multiple field names, in case the server renamed something