fix typo in include guard
update license header text
Update the copyright year in all .c, .h and .xml files
Update copyright year to 2005 and standardize on current copyright owner line.
fix name of The Apache Software Foundation
fix copyright dates and apply the license to one forgotten header file
apply Apache License, Version 2.0
update license to 2004.
finished that boring job: update license to 2003. Happy New Year! ;-))
Update our copyright for this year.
More cleanup.
AP_ function for optional hooks.
More generic -> optional cleanup.
Long overdue name change from "generic hook" to "optional hook".