remove 'iwebview' functionality
- turn WebViewApp into a dev dependency only
- remove iwebview tests etc
Merge pull request #3379 from jlipps/master

remove 'iwebview' functionality
download all linux chromedriver architectures
using the --chromedriver-install-all flag now downloads 32 and 64 bit archs
without the flag, the machine will download the one appropriate to its arch
fix #3368
Merge pull request #3380 from jlipps/chromedriver-arch

download all linux chromedriver architectures