added .gitignore file
extracted displaying all the entries to separate file: getAllEntries.php. Is invoked on document ready
removed unused php code
addEntry and deleteEntry only take care of adding and deleting. Listing all entries is done by getAllEntries.php
listing all comments of an entry is done by getComments.php. Is invoked after adding or deleting a comment.
.click -> .live( 'click', ... ), in order to enable javascript event handlers after ajax response