adding in GSOC acknowledgement to the documentation
Add RELEASE announcement to 0.4
Change version for 0.4.0
Update setup.py
Implemented derdon's request for NotImplementedError.
Used a frozenset to store VSO attributes currently supported.
Fixed indentation; some weird issue with gedit
Fixed indentation again; used vim instead
Made changes according to derdon's suggestions.

1. Changed name of frozenset to SUPPORTED_SIMPLE_VSO_ATTRS.
2. Put the raise block in proper position.
3. Changed the error message.
4. Removed test.sqlite.
Changed frozenset values to lowercase; made 'if' block check for typ.lower().
Added 'starred' to the frozenset in a bid to please Travis
Added derdon's changes.

1. Removed 'starred' from frozenset.
2. Added check for typ.lower() for 'starred'.
Fix for NotImplementedError being unnecessarily raised.

1. Put 'starred' in frozenset SUPPORTED_NONVSO_ATTRS.
2. In the typ.lower() check, used a unionized set from the vso and nonvso attrs.
Add window method and tests to TimeRange object
small rhessi refactor. use a for-loop to obey DRY.
Fix min values for examples in Callisto documentation
Added unit tests for util.util funtions
Removed unnecessary print statement
Fixed location of tests in dev guide
Fixed title for sunpy.visualization in docs
Changed 'science module' to 'module' in docs