Implement SMTP noop
Implement POP noop
Implement IMAP noop
Brace styling
Implement Objective-C Interface
Fix undefined ErrorNoop
Fixed includes
Filename extension fixes
Update build scripts
Merge pull request #403 from CodaFi/Noop

Added No-Op operation for IMAP, SMTP and POP.
Only build arm64 if 7.0 SDK is present

Conflicts:
	scripts/prepare-libetpan-ios.sh
	scripts/prepare-tidy-ios.sh
Added arm64 support

Conflicts:
	build-mac/mailcore2.xcodeproj/project.pbxproj
	scripts/prepare-libetpan-ios.sh
	scripts/prepare-tidy-ios.sh
build for arm64 for dependencies
Enable build for arm64
Fixed build for Travis
Fixed build
Callback is now called on the dispatch queue where the operation has been instanciated on Apple platforms
Merge branch 'master' of https://github.com/MailCore/mailcore2