remove the create() method (make it die if called)
remove the wc_path() and repo_path() method (make them die if called)
make the repository and working_copy parameter to new() obsolete
remove documentation for obsolete accessors wc_path() and and repo_path()
temporary exceptions to pod coverage tests
test that create() now dies
test that repository and working_copy parameteres now make new() die
add parentheses to method names in croak() message
Merge branch 'deprecation'

Conflicts:
	lib/Git/Repository.pm
	t/22-backward.t