v1.0.1 bugfix

Backward compatible bugfix for v1.0.0. Changes include:

• Bugfix for stale sub-externals after checkout.

• Bugfix for regexp when determining git tracking branches

• Update README.

v1.0.0 - Initial production release

Initial public release of manage_externals as it was in cesm2.0-beta09.

Beta release v0.8.0

manic-v0.8.0

Tag manic-v0.8.0 for integration into cesm.

Beta release v0.7.0

manic-v0.7.0

Tag manic-v0.7.0 for integration into cesm.

Beta release v0.6.0

manic-v0.6.0

Tag manic-v0.6.0 for integration into cesm.

Beta release v0.5.0

manic-v0.5.0

Tag manic-v0.5.0 for integration into cesm.

Beta release v0.4.0

manic-v0.4.0

Tag refactored code for use in testdb and cesm container repo testing.

Beta release v0.3.3

checkout-v0.3.3

Tag v0.3.3 with new default file format.

Beta release v0.3.2

checkout-v0.3.2

tag for cesm demo

Beta release v0.3.1

checkout-v0.3.1

tag bugfix for cesm demo