added action mailer of mailgun  into production environment
Merge branch 'master' of https://github.com/JKA-PowerRangers/freestufforg
added PG gem and modified database
implemented pg database in production environment
Merge pull request #33 from AeroWong/pg

Installed PG gem in production environment
installed fog, figaro and set up carrierwave / s3
carrierwave and s3 set
Merge pull request #34 from kshimatsu/another_layout

Welcome/instructional page appears on right panel
Merge pull request #35 from AeroWong/carrierwave-s3

Carrierwave s3 implemented
Adding default host to mailer
fixing mailer
updated css and fixed a margin bug
Merge branch 'master' of github.com:JKA-PowerRangers/freestufforg
Hover message/details on each item
Hover is centered and has some transparency