Merge pull request #379 from khawkins/unstable

Updating ThirdPartyDependencies submodule pointer
Miscellaneous cleanup items

- Changed build to use the `build` target of `xcodebuild`, rather than `install`, since the latter will strip debug symbols, no matter what the project configuration says.
- Moved the install and header path values for OAuth up to the project level, from the target level.
Merge pull request #380 from khawkins/misc_cleanup

Miscellaneous cleanup items
Amending OAuth encryption to differentiate access and refresh token storage
Adding logic to remove old Xcode templates
Removing request logging, for security
Merge pull request #384 from khawkins/remove_old_templates

Adding logic to remove old Xcode templates
Merge pull request #385 from khawkins/remove_api_logging

Removing request logging, for security
Merge pull request #383 from khawkins/oauth_encryption_fixes

Amending OAuth encryption to differentiate access and refresh token storage
Fixing background crashes

- Attempting to retrieve the user agent in `SFSDKWebUtils` on a background thread was crashing.
- Initiating the OAuth User Agent flow from a background thread was crashing.
Normalizing build_npm.xml with the unstable updates
dispatch_sync to main thread is okay, if you're not on the main thread
Merge pull request #386 from khawkins/background_auth_crash

Fixing background crashes
Merge pull request #387 from khawkins/build_npm_update

Normalizing build_npm.xml with the unstable updates
Updating SDK version
Merge pull request #389 from forcedotcom/202_patch

2.0.2 patch
Merge remote-tracking branch 'upstream/master' into unstable

Conflicts:
	build/build_npm.xml
	shared/SalesforceSDKCore/SalesforceSDKCore/Classes/Common/SalesforceSDKConstants.h