copr-keygen

• Remove redundant error handler
• Log IP address of the backend that originated a request
• Remove redundant loggers

copr-backend

• Don't use --keep-all-metadata
• Search for comps.xml in chroot dir

copr-dist-git

• Do not hold the downloaded files in memory

copr-frontend

• Add support for pyp2spec generator
• Add API support for runtime_dependencies
• Runtime_dependencies may be separated by a newline
• Pagure-events: don't submit builds for disabled projects

copr-rpmbuild

• Add support for pyp2spec generator
• Define copr-specific macros for make_srpm method
• Define copr-specific macros for custom builds
• Determine SRPM builds by having source_type
• Undefine %%dist for SRPM builds
• Build SRPM from DistGit even with missing sources
• Drop an unused extract_srpm method