Raise error if screen anchor not found
Gitignore Gemfile.lock
Merge pull request #16 from phatmann/screen_anchor_exception_if_missing

Raise error if screen anchor not found
Fix screenshot code to work with ImageMagick 6.8.6. The compare command output no longer ends with a newline. Preserves compatibility with older versions.
Rotate device screen action
Merge pull request #17 from phatmann/fix_imagemagick_compatibility

Fix screenshot code to work with the latest version of ImageMagick
Merge pull request #19 from phatmann/screen_action_rotate_device

Rotate device screen action