Merge pull request #30 from amuramoto/master

Added Readme.md to /samples
Merge remote-tracking branch 'upstream/master'
USERGRID-3010: changed network capture timestamps back to using NSDate instead of Mach time; changed mach time data types in ApigeeFunctions to use CFTimeInterval; added QuartzCore.framework to monitorSample app project.
Merge pull request #33 from apigee/usergrid-3010

USERGRID-3010: changed network capture timestamps back to using NSDate i...
USERGRID-3015: disable all location services functionality since it is causing our metrics upload timer to never get fired.
Merge pull request #34 from apigee/usergrid-3015

USERGRID-3015: disable all location services functionality since it is c...
USERGRID-3025: added QuartCore.framework to new project template and sample apps (that didn’t already link with it).
USERGRID-3025: added QuartCore.framework to README.
USERGRID-3025: added QuartzCore.framework for Messagee sample app.
Merge pull request #35 from apigee/usergrid-3025

Usergrid 3025
Merge remote-tracking branch 'upstream/master'