Move is_tree and is_blob from *.pm to *.xs.
Repository.xs: Added path_is_ignored() method
Repository.pm: Added documentation for path_is_ignored()
MakeMaker.pm: Support compiling libgit2 with a 32-bit perl on a 64-bit system
Raw.xs: Change constness of git_oid_to_sv parameter
Repository.xs: Added new() construction method.
Repository.pm: Added documentation for new() method
Remote.xs: Added create_inmemory() and ls() methods
Remote.pm: Added documentation for create_inmemory() and ls()
Merge branch 'master' of github.com:ghedo/p5-Git-Raw

Conflicts:
	t/05-tree.t
	t/12-blob.t