fix(remove-channel): support id = 0

fixes #37
fix(action): relax redirect condition
fix(home): redirect neither remove-channel nor remove-host
feat(ui,js): remove channel or host row when clicking remove button
feat(ui,js): remove channel or host row when clicking remove button

fixes #36
Merge branch 'dev' of github.com:edouard-lopez/mast-web into dev
Feat(OS_OPT-Box):Customize files
fix(mk,deploy-key): add message when ssh-copy fail

fixes #39
Merge branch 'dev' of ssh://git.edouard-lopez.com:822/root/mast-web into dev
fix(home): don't redirect list-host and list-channel button

fixes #41