Fixing oo-diagnostics

Removing checks that exist in oo-accept-systems
Merge pull request #14 from detiber/fix

Fixing oo-diagnostics
loading the rails environment was messing up the oo-accept-systems environment
include v2 mysql and postgres cartridges by default
pretty sure fix_passenger() is not necessary.
<install-scripts> Bug 958625 - Revert "pretty sure fix_passenger() is not necessary."

This reverts commit d82f7a23c17402caeadf5d9da9e966796f8c57d8.

This change caused the bug reported in https://bugzilla.redhat.com/show_bug.cgi?id=958625, and blocks https://trello.com/c/xVQoIMvA

There does need to be a more graceful way to do what fix_passenger() does, so maybe that should be a new story or ticket
<install-scripts> Bug 958625 - comments explaining fix_passenger

Added fairly verbose comment to each implementation of fix_passenger
to remind the next guy why it's needed
Merge pull request #15 from dobbymoodge/BZ958625

<install-scripts> Bug 958625 - revert fix_passenger changes, add doc comments
This is a workaround. It would be better to fix the SCL passenger.
Add an exclude for base rhel channel to prevent rhel base channel from shadowing jbossews tomcat6
Merge pull request #16 from detiber/bz959844

Add an exclude for base rhel channel to prevent rhel base channel from s...
Both the EWS 1.0 and 2.0 cartridges use the 2.0 content set
Added two new test cases
New NAN test for mcollective