Revert the label to 3.0.0 for the release

Author: SLsthompson

lib/softlayer/base.rb

@@ -12,7 +12,7 @@
 module SoftLayer
   # The version number (including major, minor, and bugfix numbers)
   # This should change in accordance with the concept of Semantic Versioning
-  VERSION = "3.0.b2"  # version history in the CHANGELOG.textile file at the root of the source
+  VERSION = "3.0.0"  # version history in the CHANGELOG.textile file at the root of the source
 
   # The base URL of the SoftLayer API available to the public internet.
   API_PUBLIC_ENDPOINT = 'https://api.softlayer.com/xmlrpc/v3/'