GIT 1.5.0 preview

1. 8502357 simplify inclusion of system header files. by Junio C Hamano · 19 years ago
2. 40aaae8 Better error message when we are unable to lock the index file by Junio C Hamano · 19 years ago
3. 138086a shared repository - add a few missing calls to adjust_shared_perm(). by Junio C Hamano · 20 years ago
4. 021b6e4 Make index file locking code reusable to others. by Junio C Hamano · 20 years ago