Bump version to 2.6.0
Add homepage to gemspec.
Bump version to 2.6.0 release candidate.
Bump up to v2.5.2
Refactor files inclusion on gemspec
Fix lib reference in gemspec
get ready for 2.5.0
Loosen ActionMailer dependency.
Add rubygems-test support.
Add some initial test coverage with dummy app.
Add ActionMailer dependency to gemspec.