This allows linking as "kctx" and "kns" to prevent overlap with kubectl Tab
completion when user hits `ku<Tab>`. Fixes#3.
Also fixed variables KUBECTX and PREV leaking to zsh shell once the _kubectx
function is invoked.
Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>
Fixes#1. Now kubectx also ships with kubens.
Extracted utility functions to a utils.bash file, loaded
from ../include/utils.bash.
Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>
