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
added open_notifications to docs
Merge pull request #3395 from Jonahss/docs

added open_notifications to docs
Adding adb stop to chrome to prevent leaking of adb issue