HockeySDKLib required all architectures specified for command-line build.
Added build time config option for JMC support.

Set JIRA_MOBILE_CONNECT_SUPPORT_ENABLED macro to 1 to enable
compiling in support for Jira Mobile Connect. By default it
is not enabled.
Update Xcode project to 4.5 and use standard target again for arm7 and armv7s
Check liveIdentifier already in beta build and make sure passing nil doesn't cause a crash
Update README.md
Updated change log
Update version number to 2.5.2
Merge branch 'release/2.5.2'
Updated change log
Update version number to 2.5.2
Merge branch 'release/2.5.2'

Conflicts:
	README.md
Fix for compiler warning about comparing NSInteger and NSUInteger

Thanks to @pburleson
Fix checking validity of wrong identifier

Thanks to @nano for the hint
Bump version to 2.5.3
Merge branch 'release/2.5.3'
Update change log in documentation
Merge branch 'release/2.5.3'
Update podspec for 2.5.3
Merge pull request #9 from alloy/develop

Update podspec in preparation of 2.5.3
Added a forward declaration of BITCrashManager in BITCrashManagerDelegate