Merge pull request #172 from seancorfield/develop

Resync develop branch for 2.2 development work
Merge pull request #173 from seancorfield/develop

Fix wiki links to new repo
Enable usingSubsystems if subsystem-dependent setting is used.

If either `defaultSubsystem` or `sitewideLayoutSubsystem` are set
the default value for `usingSubsystems` is changed to true.

Fixes issue #148
Revert "Enable usingSubsystems if subsystem-dependent setting is used."

This reverts commit 48519e0b85b88ceb9f3d632c5ab3722b979aa6e4.
Enable usingSubsystems if subsystem-dependent setting is used.

If either `defaultSubsystem` or `sitewideLayoutSubsystem` are set
the default value for `usingSubsystems` is changed to true.

Fixes issue #148
Merge pull request #175 from boughtonp/develop

Enable usingSubsystems if subsystem-dependent setting is used.
Merge pull request #177 from seancorfield/develop

Fix #176 by guarding against ? being the last character.
Merge pull request #178 from seancorfield/develop

Adopt better semver with 2.2_snapshot since that's what this really is!
added oMM check to injectFramework
Merge pull request #179 from d1rtym0nk3y/develop

add oMM check to injectFramework
Adding some null support for the Railo platform
Upstream check for controller nullity
Merge pull request #181 from cybersonic/feature/NullSupport

Feature/null support