Merge pull request #2193 from sebv/working

better test defaults for ios71
Move reset timeout from global before to session before
Merge pull request #2198 from d0lfin/master

Move reset timeout from "global before" to "session before"
fix find-element test
-ios_uiautomation -> -ios uiautomation
accessibility_id -> accessibility id
Merge pull request #2203 from Jonahss/LocStratUnderscores

Loc strat underscores
update appium-instruments
add real xpath support making use of getElementByIndexPath
this depends on https://github.com/appium/appium-uiauto/pull/11
also depends on https://github.com/michaelkourlas/node-js2xmlparser/pull/10
partially addresses issue 2155
add tests for new '-real xpath' temporary loc strat
and test for new real xml page source
add deprecation warnings for old page source and xpath methods
update uiauto submodule
update real device info
reimplemented queue with async.js
use our own fork of node-js2xmlparser
making isDisplayed helper run in parallel
use indexpath find retry even when trying to find a single element that becomes stale
rewrote screenshot logic
fixed test script
Merge pull request #2204 from jlipps/real-xpath

Real XML-based XPath for iOS