Merge pull request #3123 from jlipps/master

make sure setValue and getContexts respect custom selendroid port (fix #...
added robot framework contact example

robot framework contact example for android added
configurable callback address and port
Merge pull request #3129 from sebv/http-callback

configurable callback address and port
moving several picker wheels in ios unit tests
Center aligning code blocks for appium.io and added instructions in how-to-write-docs.md
Merge pull request #3135 from moizjv/documentation

Center aligning code blocks for appium.io and added instructions
Merge pull request #3127 from Erolstt/master

added robot framework contact example
Adding selendroid requires internet permission to documentation
Merge pull request #3147 from moizjv/documentation

Adding selendroid requires internet permission to documentation
adding slack travis notification
Fix for #3150: Parse plist files as binary and XML.
ci fix
Merge pull request #3151 from paymand/3150

Fix for #3150: Parse plist files as binary and XML.
Quick fix for Localizable.strings
Merge pull request #3181 from paymand/localizable_strings_fix

Quick fix for Localizable.strings
Fix uiautomator test
Merge pull request #3187 from imurchie/isaac-uiautomator-test

Fix uiautomator test
for these tests to pass one after the other, need to use a beforeEach