Merge pull request #5 from michael-yx-wu/develop

Rename to dockerclean

README.md

@@ -1,13 +1,15 @@
-dockerutil
-==========
+dockerclean
+===========
+A simple utility to make it easier to cleanup Docker images and containers.
 
-About
+Usage
 -----
-A simple utility to make it easier to cleanup leftover Docker images and
-containers and switch between Docker virtual machines.
+`dockerclean [OPTIONS]`
 
-Commands
---------
-
-- `clean`: Easily cleanup Docker images and containers
-- `switch`: Switch active Docker machine
+- `-c PATTERN`: Remove all containers matched by `PATTERN`
+- `-d`: Remove all images tagged as `<none>`
+- `-r`: By default `dockerclean` executes in `dry-run` mode to give you a chance
+  to preview any images or containers that will get deleted. Use the `-r` flag
+  to remove matched images and containers.
+- `-t PATTERN`: Remove all images matched by `PATTERN`
+- `-h`: Print usage and options