adding dependencies for command line tools
adding supported libraries - including min and max version
adding dependencies for supported platforms
adding dependency to owncloud version - with fallback to requiremin and requiremax
adjust styling of missing dependencies in apps management
single dependencies will not be represented as an array + fix unit tests
fix unit tests
check app dependencies on installation as well
rework api of DependencyAnalyzer
adding unit tests for PlatformRepository::normalizeVersion()
fixing owncloud version
Merge pull request #12625 from owncloud/app-dependencies-libs-and-commands

adding dependencies for command line tools and php libraries