Update docker build UI
Fix issue with unknown instruction within docker build
Allow docker build from stdin
Update docker build docs
Update build doc
Fix autorun issue within docker build
Create a layer for each operation (expose, cmd, etc)
Fix cache miss issue within docker build
Remove cache opti that cause wrong cache miss
Fix ADD behavior on single files
Fixed phrasing, typos and formatting in 'docker build'
Simplified syntax of 'docker build': 'docker build PATH | -'
Fix issue with mkdir within docker build
'docker build': remove INSERT command (should add support for remote sources in ADD instead)
Add -t to docker build in order to tag resulting image
Deprecate INSERT and COPY
Fix issue with CMD instruction within docker build
Update docker build docs
Merge branch 'master' into builder_server-2
* Builder: keep temporary images after a build fails, to allow caching