Git 2.7.3

1. cb46805 pack-bitmap.c: make pack_bitmap_filename() static by Junio C Hamano · 11 years ago
2. b500721 pack-bitmap: do not use gcc packed attribute by Karsten Blees · 11 years ago
3. ae4f07f pack-bitmap: implement optional name_hash cache by Vicent Marti · 12 years ago
4. 7cc8f97 pack-objects: implement bitmap writing by Vicent Marti · 12 years ago
5. fff4275 pack-bitmap: add support for bitmap indexes by Vicent Marti · 12 years ago