Merge pull request #26 from apigee/usergrid-2182

Set version string to 2.0.7-SNAPSHOT.
USERGRID-2800: added pause/resume capability on app monitoring; updated monitoring sample to be able to pause/resume monitoring.
Merge pull request #27 from apigee/monitoring-pause-resume

USERGRID-2800: added pause/resume capability on app monitoring; updated ...
USERGRID-2806: added checks to ensure that we have valid configuration before we try to send any data to server.
Merge pull request #28 from apigee/usergrid-2806

USERGRID-2806: added checks to ensure that we have valid configuration b...
USERGRID-2831: set version string; added NSLog statements when app monitoring is paused.
Merge pull request #29 from apigee/usergrid-2831

USERGRID-2831: set version string; added NSLog statements when app monit...
Added /samples Readme.md
fixed typo
fixed typo
fixed typo
Merge pull request #30 from amuramoto/master

Added Readme.md to /samples
USERGRID-2840: modified queries for messages and following so that data is retrieved.
updated Readme.md
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).