Remove require and ActiveSupport::Dependencies in favor of autoload

MSP-11385
travis-ci debugging

MSP-11385

Print $LOAD_PATH on travis-ci to try and figure out problem.
Fix capitalization of file

MSP-11385

Accidentally capitalized file name, which works on OSX, but not on
case-sensitive systems like Linux.
Use git mv force to pick up case change

MSP-11385

On OSX, git will ignore the case change, but then the case change won't
be propagated to github and travis-ci, where the case change does
matter.
Merge branch 'bug/MSP-11372/jruby-1-7-14' into feature/MSP-11385/autoload

MSP-11385

Conflicts:
	lib/metasploit/model/file.rb
	lib/metasploit/model/version.rb
Fix Metasploit::Model::Engine loading

MSP-11385

I stripped the nesting from Metasploit::Model::Engine, but forgot to
require the file after Metasploit::Model is defined in
'metasploit/model'.
Merge branch 'master' into feature/MSP-11385/autoload

MSP-11385

Conflicts:
	lib/metasploit/model/version.rb
changing the rspec output to documentation
Merge branch 'feature/MSP-11385/autoload'
dropping prerelease