Fix predefined lists in types.h (GitHub issue 4). Thank you hughsie
Remove timestamp and git revision from spec.
examples: Add C example of usage.
Constify the return value of lr_yum_repo_path as it's not strdup'd (GitHub issue #5).

Thank you hughsie
Add a LR_VERSION_CHECK macro
test: Add test for LR_VERSION_CHECK macro.
Add lr_yum_repomd_get_age() function. (GitHub issue #6)
handle: Fix funky logic in internal error handling. (GitHub issue #9)
python: Add forgotten yum-py.[ch]
util: Add lr_asprintf().
README.md: Update
Add support for caching checksum as extended file attribute. (GitHub issue #8)
cmake: Add FindXattr module.
Fix missing VAR substitution for mirrorlist. (GitHub issue #11)
cmake: Set required python version to 2. (GitHub issue #10)
example: Add example of downloading a package
trivial: Fix comment spelling
handle: After set python SIGINT handler back, check if librepo was interrupted by CTRL+C. (RhBug: 977803)
checksum: Use propper types for return values of getxattr and setxattr.
package_downloader: Add LRE_ALREADYDOWNLOADED rc code. (GitHub issue #15)

The code is returned when package is downloaded with enabled resume and the checksum of the existing package is valid (package is already downloaded completly).