Three new unit tests, t06XX files have been added.
t0601-read: tests for loading index files from disk,
for creating in-memory indexes and for accessing
index entries.
t0602-write: tests for writing index files back to disk
t0603-sort: tests for properly sorting the entries array of an index
Two test indexes have been added in 'tests/resources/':
test/resources/index: a sample index from a libgit2 repository
test/resources/gitgit.index: a sample index from a git.git
repository (includes TREE extension data)
Signed-off-by: Vicent Marti <tanoku@gmail.com>
