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
Changed error handling for clearText
Merge pull request #3386 from austenke/master

Changed error handling for clearText
all sample-code in gitignore
Merge pull request #3389 from Jonahss/gitignore

all sample-code in gitignore
update appium-uiauto with label() fallback search and apostraphe escaping fixes