Fix helm scripts to deal with spaces near version

Joey added spaces between the word "version" and the colon in one of
the charts, which broke several scripts. I've updated them to be less
brittle, and also adapted his TODO for using bash string manipulation
rather than awk in chart_version_check.sh.

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: Ie1047e7c963526cc848b0acbe2b94c920db61b51
2 files changed