Made stop and drop commands more resilient.

They should not error out just because some container is no longer
present.
Merge pull request #98 from tcolar/stopdrop

Made stop and drop commands more resilient.
print stack trace on ctrl+c
Merge pull request #100 from mcellis33/stacktrace

print stack trace on ctrl+c
fixed based on new version of docker client
Merge pull request #102 from iansmith/fix_hang_on_attach_with_updated_godeps

fixed based on new version of docker client
fix pickett destroy
Fix issue #103: resolving config file pathname.

My proposal: just let the os.Open() call do the path resolution,
don't try to outsmart it by joining os.Getwd to *configFile.
Add update_mocks.sh for updating _mock.go files
Merge pull request #107 from mcellis33/mocks

Add update_mocks.sh for updating _mock.go files

LGREATTM: iansmith!
Merge pull request #105 from rakitzis/path

Fix issue #103: resolving config file pathname.

This is sensible.  The kernel will do this for us anyway.

LGTM: iansmith
Enable Travis-CI
Merge pull request #101 from nordsieck/fix-destroy

Fix pickett destroy
Merge pull request #99 from nordsieck/travis

Enable Travis-CI

Looks dandy.
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