remove paste imports and replace with references to the templer.core package where they now live
restore compatibility with paste Commands
run local commands without relying on setuptools egg-info
fix regression in API
fix
Made get_parent_namespace_packages() return a 4-tuple with the output directory as its
last element.  Got rid of references to Paster.  Fixed tests.
remove svn_add support, fix tests
merge origin/davisagli-local-commands
fix namespace counting error in test
 * fix destination calculation for local commands
 * fix broken tests
 * add new non-passing tests as placeholders for tests that should be written.
 * set up a mock local command template to run when testing
 * patch mock command into the templer.localcommands distro at test setup, remove it at teardown.
 * register the local command for the 'basic_namespace' template so we can test depending only on templer.core.
 * rework 'available' test to use the new, locally available localcommand
 * add template directory structure for our new localcommand
fix up changelog
 * refactor command private api to better support testing
 * handle various error conditions in the running of a command
 * provide error messages for error conditions
continue fixing and extending test coverage
 * factor printed strings into constants to regularize testing and protect against wording changes down the road
 * finish adding 'functional' tests for local commands