Use contexts for switching native/web
Merge pull request #2106 from jlipps/master

reset fixes
Fix for issue #2085. Use "mobile: reset" in beforeEach().
Merge pull request #2109 from paymand/2085

Fix for issue #2085. Use "mobile: reset" in beforeEach().
Merge pull request #2049 from imurchie/isaac-contexts

Add contexts for switching to webviews
package update + test fixes
Merge pull request #2112 from sebv/uiauto-cleanup

package update + test fixes
update appium submodules