Trim trailing spaces and convert tabs to spaces.
Fix minor typos.
.gitignore: Add pkg/ and sort by name.
Compatibility for RubyZip 1.0 done
Update all dependencies to the latest versions.
README.md: add IS in PATH
Update Ruby 1.9.3 URL from @emachnic
railsinstaller.yml: Remove the unused Ruby 1.9.2 version.
Update CHANGELOG.txt.
Merge pull request #39 from XhmikosR/master