fixes #2272 setup capybara and spork and modified test_helper for future integration testing

fixes #2254 - Add STI to hosts table

Signed-off-by: Joseph Mitchell Magen <jmagen@redhat.com>
Signed-off-by: Ohad Levy <ohadlevy@gmail.com>

fixes #1988 - CRUD Actions for nested parameters for host, domain, hostgroup, os

e.g.

GET /api/domains/6/parameters
POST /api/hosts/6/parameters
PUT /api/hostgroups/6/parameters/100
DELETE /api/operatingsystems/6/parameters/100

fixes #2124 - only include classes from the host current environment.

This patch introduce a new setting, which decide how would foreman
address a mismatch between host and hostgruop environments.

for example, when puppet classes (directly or indirectly via hostgroups) that do not...

fixes #2001 - Changing Loc or Org after compute resource selection give 500 error

fixes #2151 - use DN environment variable instead of CN

nginx is unable to pass bits of the X.509 subject, only the entire DN, so
support that as a lowest common denominator.

fixes #2147 - param classes with multiple matchers are evaluated incorrectly

fixes #2121, #2069 - restrict importers and ENC to puppetmasters and users

CVE-2013-0171: report and fact importers parse YAML directly from the remote
host without authentication. Untrusted YAML can instantiate objects and be
used to exploit Foreman.

CVE-2013-0174: external nodes (ENC) output is available to any source and...

fixes #1814 - converts sp_* attributes into a BMC interface class

this patch also includes the following

• added a new interfaces table, and STI objects to represent a NIC, BMC, Managed
  and a bootable interface.
• refactored DHCP/DNS orchestation code, so they can work on the...

fixes #1834 to get foreman running under ruby 1.9.3