Changed hook_uninstall to remove all variables set by Block Refresh
#891262-2 - Added message when Block Refresh is enabled, reminding admin to set proper permissions. Thanks MartijnR!

Changed help text to only show on admin/help#block_refresh, instead of all module-related pages. Added README.txt file and updated CHANGELOG.txt.

Initial commit by bocaj. Mainly code commenting/cleanup. Basic functions of assigning a block to automatically and/or manually refresh.

only load automatic refresh when block is enabled on a page

add callback for block_refresh/$block/$delta
add settings form to block admin forms
begin implementation of block refresh