Added flags_before_libraries to linker
merge master
Add flags_after_libraries
Remove noisy build message quotes
Listing gems vertically
Merge pull request #777 from thecodeshop/pp-clean

Remove noisy build message quotes
Merge pull request #778 from mattn/gemlist

Listing gems vertically
resolve conflict
Merge branch 'master' of github.com:mruby/mruby