Added FAQ to README.md

Added two FAQs ('EMFILE: Too many opened files' and
'Error: Could not load the bindings file.') to README.md.
Turned FAQ questions into headings.
Merge branch 'master' of github.com:pilwon/ultimate-seed
Merge branch 'dev'
Added grunt-protractor-runner.
Added more comprehensive protractor config settings.
Merge branch 'dev' of github.com:pilwon/ultimate-seed into dev
Merge branch 'master' into dev