Fix the broken -g/--log and --log-no-colors.
Include line to specify element for scroll gesture documentation
Merge pull request #2298 from casschin/gesture-doc-update

Include line to specify element for scroll gesture documentation
Merge pull request #2295 from paymand/log_and_colors

Fix the broken -g/--log and --log-no-colors.
make sure weird responses don't crash appium