Only install build event log dlls if the manifest exists under ext

This will allow chefdk to build chef 11
Merge pull request #272 from opscode/jdmundrawala/chefdk-eventlog-disable

Only install build event log dlls if the manifest exists under ext
Add `angrychef` to the TK suites
Make the AngryChef project a thin wrapper around Chef

This will ensure the two project definitions are automatically kept in
sync.
Give the AngryChef project it’s own set of resources

We mainly have to do this so the MSI install path is different.
Ensure `gem install` is performed with embedded environment
Pull in updated omnibus-software with Ruby disable DTrace fix

See opscode/omnibus-software#327 for more.
Merge pull request #273 from opscode/schisamo/angrychef-fixes

AngryChef Fixes
Use an older version of CA certs to fix S3 cert checks

AWS Certificate cannot be verified by the latest version of the CA
bundle, lock to an older one that works until either AWS or the CA
bundle fixes the issue.
Bump omnibus-sw to latest master w/ cacert fixes
Merge pull request #274 from opscode/bump-omnibus-sw

Bump omnibus-sw to latest master w/ cacert fixes
Pick up latest omnibus + Ruby versin bump to 2.1.4.
Testing versions of chef and ohai.