Update Onyx version

Onyx is now 2.7.2
setup homebrew for system ruby from 1.8 to Current
Delete patch_commit_c0bd6f2cf17e.patch
Fix issue #139. Run cp as root
Fix #141 : Explicitly set HOME for setting git config
Update checksum for OnyX 2.7.2
Merge branch 'SPROUT-139-mouse-locator-perms' into develop
Merge branch 'SPROUT-141-git-config-global-defaults-perms' into develop
Adding rvmrc template to pivotal_sprout::rvm

Adding default option: rvm_silence_path_mismatch_check_flag=1 to fix #124

This fixes pivotal-sprout/sprout#124
Attempt to fix rvm installation via method 2 (See #124)
Trying option 1; Still ran into issue #5
Add .rvmrc template before installing RVM
Get rid of rvm_path since env_vars are not guaranteed to be in correct order
Workaround CHEF-3940 bug

Note: rvm install gave

    Error: Permission denied - /var/root/Library/Logs
Use nCPU +1 threads to build RVM rubies (should speed things up a bit...)
Merge branch 'SPROUT-124-fix-rvm-path-mismatch-flag' into develop
Workaround CHEF-3940 in homebrew provider

This should fix many issues for any homebrew apps under chef-solo
Merge branch 'SPROUT-146-fix-CHEF-3940-in-homebrew-recipes' into develop
Workaround CHEF-3940 in pivotal_sprout::vim
Merge branch 'SPROUT-147-fix-CHEF-3940-in-vim-recipe' into develop