Merge pull request #41 from bernii/master

Flick element - make flick work with sliders
make sure all uicatalog tests get run
Merge pull request #42 from jlipps/master

grunt update
get node binary from path more flexibly
Merge pull request #43 from jlipps/master

don't hardcode node binary path
beginning reorganization of appiumutils, and starting tests
Merge pull request #44 from jlipps/master

set stage for rearchitecture of appiumutils.js
replace deactivateApp and takeScreenshot functions with mechanic equivalents
Merge branch 'master' of github.com:appium/appium
reorganize screen orientation appiumutils commands
Merge pull request #45 from jlipps/master

replace deactivateApp and takeScreenshot with mechanic
allow instruments to handle data transmissions larger than buffer size
update appiumutils with getTree and better pageSource
Merge pull request #46 from jlipps/master

better instruments, more appiumutils refactoring
update page source tests to reflect new schema
Merge pull request #47 from jlipps/master

update page source schema/tests
beautiful curly braces for Sebastian