oo-accept-node: check allow_polyinstantiation

Check that the allow_polyinstantiation SELinux Boolean is enabled.
Delete old TODOs related to v2 switchover

Delete some old TODO comments that are obsolete now that the default
cartridge model has been changed to v2.
<node-proxy,port-proxy> Bug 964212 - Fix init script dependencies

https://bugzilla.redhat.com/show_bug.cgi?id=964212

Add INIT INFO to node-proxy and port-proxy to make sure required
services are started before init scripts are called during startup

Fix references to port-proxy in node-proxy init script
Better mail config, allow SMTP to be set by ops
Bug960707: MySQL snapshot and restore across applications
Remove connection info hooks from the mock cartridge
Fix test case in extended postgres tests
Review comments
Bug 959476: Ensure psql uses the correct .psql_history location
Bug 966255: Remove OPENSHIFT_INTERNAL_* references from v2 carts
Support OPENSHIFT_INTERNAL_* variables in jbossews v2
fix bz965949 - include Mongo as object qualifier
Fix for bug 960757
 - Sending init_git_url only for deployable cartridge configure/post-configure
 - Removing is_primary_cart method in favor of is_deployable
Fix set proxy to look for first endpoint in the manifest.
Bug 966007 - Fix old connections for unsubscribe event
Merge pull request #2596 from fotioslindiakos/Bug960707

Merged by openshift-bot
Merge pull request #2603 from fotioslindiakos/Bug959476

Merged by openshift-bot
Merge pull request #2604 from ironcladlou/bz/966255

Merged by openshift-bot
Merge pull request #2605 from ironcladlou/dev/v2carts/jbossews

Merged by openshift-bot
Merge pull request #2606 from abhgupta/abhgupta-dev

Merged by openshift-bot