Version bump
Renaming to TranslationsExtractor: rename files
Renaming to TranslationsExtractor: require paths
Renaming to TranslationsExtractor: module renamed
Renaming to TranslationsExtractor: executable
Renaming to TranslationsExtractor: gem name
Readme improved

Renaming to TranslationsExtractor, proper build, install, development
instructions.
Remove pkg from gitignore
Gem release added to repo.