CHE-275: rename DOCKER_MACHINE_HOST to CHE_DOCKER_MACHINE_HOST

[garagatyi]

Signed-off-by: Alexander Garagatyi agaragatyi@codenvy.com

[skabashnyuk]

ок

[benoitf]

It's not working for me on updated che

2016-03-01 10:52:26,040[nio-8080-exec-7] [INFO ] [o.e.c.a.w.s.WorkspaceManager 140] - EVENT#workspace-created# WS#wksp-75ud# WS-ID#workspacewvo8mhsm7tlj2igj# USER#che#
2016-03-01 10:52:27,107[kspaceManager-0] [INFO ] [o.e.c.a.m.s.MachineManager 166] - Creating machine [ws = workspacewvo8mhsm7tlj2igj: env = wksp-75ud: machine = ws-machine]
Exception in thread "WorkspaceManager-0" java.lang.NullPointerException
at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:210)
at com.google.common.base.MoreObjects.firstNonNull(MoreObjects.java:52)
at org.eclipse.che.plugin.docker.machine.local.LocalDockerInstanceRuntimeInfo.(LocalDockerInstanceRuntimeInfo.java:44)
at org.eclipse.che.plugin.docker.machine.local.LocalDockerInstanceRuntimeInfo$$FastClassByGuice$$94d15c62.newInstance()

[garagatyi]

Should be fixed by #590