source-to-image

• Fix bug that required both assemble and run to be overridden together

• Incremental builds are not default anymore, they needs to be forced with --incremental flag
• Added support for .sti/environment file
• Made output image optional
• Fixed assemble logging
• Fixed copy operation when working with local directory
• Fixed version information
• Changed output to always show assemble output and error, the first can be turned off with --quiet

• removed api.Script type in favor of good old strings
• added pulling images from repository when doing incremental build
• build forces clean build by default
• major refactoring in the way scripts are installed
• added support for ONBUILD based Docker images
• major refactoring to support different STI build strategies
• added --contextDir option to allow application exists in
  sub-directories
• fixed build when image had USER defined
  (https://bugzilla.redhat.com/show_bug.cgi?id=1185730)
• added output from failing container (during sti build)
  (https://bugzilla.redhat.com/show_bug.cgi?id=1182464)
• various fixes and improvements to documentation

Important changes in this release:

• allowed using arbitrary images as builder images
• added create command that bootstraps STI builder image repository
• fixed downloading sources & scripts from different places
• updated documentation
• allowed baking STI scripts into the image
• improved logging