checkstyle.sh: add ./env directory to exclude

Signed-off-by: Thomas Stilwell <stilwellt@openlabs.co>
fix style errors

Signed-off-by: Thomas Stilwell <stilwellt@openlabs.co>
Merge pull request #375 from benemorius/checkstyle

fix checkstyle.sh and some style errors
run.sh: update default web interface port in help output

port is random since commit 6fedf87e10a793da642c877427268013e26f635b
(Web Port is now randomized by default. Fixes Issue #301)

Signed-off-by: Thomas Stilwell <stilwellt@openlabs.co>