Update README.md
Merge branch 'develop' of github.com:espago/espago into develop

# By Waclaw Luczak
# Via Waclaw Luczak
* 'develop' of github.com:espago/espago:
  Update README.md
loading fails in rails app that includes gem require_all fixed: https://github.com/espago/espago/issues/5
newest ruby added