added support for :initially_deffered to deferrable foreign_key option.
version bump 1.0.1
More robust handling of foreign keys with schema namespaces

Closes issue #89
Fix PostGIS.
spec fixes
another spec fix
Bug fox: Circular Reference/Stack Level Too Deep in Column#to_json

Addresses #93.  Might address #90 too?
clean up some vestigial stuff re rails 3.2 vs other versions
Don't default referenced table schema to match table name's schema.  

Let the db find whichever table it wants to find.

Addresses #89
runspecs more robust reporting of errors
code cleanup
skip non-mysql behavior in tests
clean up adapter choosing and initialization.  raise error on unrecognized adapter_name.

this might help debug #91
100% code coverage (via hack)
README use @ references for credits, include link to contributors page
Merge branch 'master' of git://github.com/bhavinkamani/schema_plus into bhavinkamani-master
wrap up deferrable support: add sqlite3 support, flesh out & clean up specs, update README.

closes #80, closes #75
add support for drop_table :if_exists & :cascade

Addresses part of #79
Merge branch 'master' of git://github.com/pete/schema_plus into pete-master

Conflicts:
	lib/schema_plus/active_record/connection_adapters/abstract_adapter.rb
only do postgis restriction when using PostGIS adapter.  added spec.

closes #94