Use decorations in the simplest way possible
Specs for decoration usage
Only show the regions when the find view is visible
Dont create marker views when using the react editor

They only are necessary on the old editor!
Merge pull request #236 from atom/bo-decorations

Use Decorations for rendering marker views
Prepare 0.118.0 release
Don't use deprecated APIs

This removes 145 deprecation warnings when running the specs
Prepare 0.119.0 release