Fix #110 (incorrect behaviour for spec annotating).
Move migrate task to lib/tasks (fix #112).
Update gemspec.
Restore :set_annotation_options.
Merge pull request #1 from roman-zaharenkov/fix_spec_annotate

Fix incorrect behaviour for spec annotating.
Merge pull request #2 from roman-zaharenkov/fix_rake_task

Fix rake task
Fix models loading for Rails 4.
Added capability to keep extra comments in place while annotating.
fix OptionParser::InvalidArgument error
Update version
Fix for adding "Indexes" twice
One more version bump due to weirdness
One more try for the indexes fix
Fix for skip_on_db_migrate