start looking at ead update.
added methods for reloading an updated EAD file.
added EADReloadException.
fixed unit test.
Merge remote-tracking branch 'origin/master' into ead-upd
merge in latest changes.
Adding EAD component unit test.
expanded on reload EAD impl and unit tests.
added unit test for reload EAD prechecks.
updated reload EAD collection.
expanded on EAD reupload impl.
added tests for update component data and update component path.
added test for reload collection from updated EAD.
fixed a bug in getting uuid in CollectionBuilder, and added asserts to reload EAD test.
code clean up.
updated debugging messages.
refacted AS Id list and AS Ids to NLA obj Ids mapping to ref only components as collection may not have an AS Id.
Merge pull request #224 from nla/ead-upd

Ead upd