Import NEWS file.
[builder] Do not try to compile completely empty .strings files.

Fixes http://hipbyte.myjetbrains.com/youtrack/issue/RM-483
[builder] Quote framework search paths to guard against spaces.
move #vendor_project to xcode config
move the `rake clear’ logic to platform-specific config files
move versionized_build_dir from config to xcodeconfig
move app.version from config to xcodeconfig
2.28
should not drop "10.10" from supported sdk version list

This should allow to use "10.10" sdk on Yosemite
accept the lower SDK version in `app.deployment_target' on Yosemite
2.29
update NEWS
[iOS8] fix device family string in order to select device
[iOS8] add "device_name" parameter

Usage:
	$ rake device_name="iPad Air"

We can use the following device name for iOS 8 simulator.
	"iPhone 4s"
	"iPhone 5"
	"iPhone 5s"
	"iPad 2"
	"iPad Retina"
	"iPad Air"
	"Resizable iPhone"
	"Resizable iPad"
[spec] Add spec helpers subdirs to #spec_files.

Signed-off-by: Eloy Durán <eloy.de.enige@gmail.com>
[OSX] fix a wrong default deployment_target on OS X 10.8

http://hipbyte.myjetbrains.com/youtrack/issue/RM-524

'10.8' should be used as default deployment target on OS X 10.8.
However, '10.9' was used.
[OSX] add CoreServices to detect OS X version to convert NSKnownKeysDictionary into NSDictionary
[OSX] fix a 'not precompiled' error if specify old version as deployment_target on Yosemite

http://hipbyte.myjetbrains.com/youtrack/issue/RM-525
2.30
fix __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ for OSX 10.10

The definition rule of MAC_OS_X_VERSION_10_XX is changed at OS X 10.10