fix minor bug
disable code signing on ios via build.xcconfig

overwrites the build.xcconfig with the necessary CODE_SIGN_IDENTITY,
CODE_SIGNING_REQUIRED and PROVISIONING_PROFILE properties to bypass code
signing
generate unsigned .ipa-file
resolve .app-directory via multiGlob
minor bugfixes
save client files to subdirectories
Merge remote-tracking branch 'origin/ios'