exports some variables from Info.plists

"XCODE_CFBUNDLEVERSION"
"XCODE_CFBUNDLEDISPLAYNAME"
"XCODE_CFBUNDLEEXECUTABLE"
"XCODE_CFBUNDLEIDENTIFIER"
"XCODE_CFBUNDLENAME"
"XCODE_CFBUNDLESHORTVERSIONSTRING"
"XCODE_IPAPATH"
"XCODE_DSYMPATH"