update copyright year
improved error message for missing ami now includes region info
Merge pull request #204 from zelig/master

improved error message for missing ami now includes region info
Merge pull request #197 from gdi2290/patch-1

update copyright year
Gemspec was too strict, fog should follow semver
Merge pull request #216 from maxlinc/semver

vagrant-aws gemspec is too pessimistic about fog, can cause downgrades that break vagrant
Ignore some RVM files in the repo