keypress event on entry title textfield
introduced css class for textarea comment
div_entry_add -> entry_add_link; more consistent with other classes
inline styles -> css class
added confirmation dialog for deleting an entry
added timeout function to make confirmation dialog disappear
fix position of confirmation dialog
moved confirmation button to the left -> outside of editing area
added confirmation dialog for comments
enhanced usability -> on keypress enter on entry title focus moves to description. on description it submits