Correcly handle documentation in subdirectories

Packets: Documentation for PacketData and updates to PacketParsera and Packdocumentation
doclib: Add additional formating to member documentation via html-munge.xsl and senf.css (enhance brief descriptions and make auto-generated docs less obstrusive)
Add flyspell-prog-mode to project.el

Packets: documentation: Mainpage, Packet, ConcretePacket
Packets: Remove uneeded typedefs from public interface
Packets/DefaultBundle: Move all documentation into special group
doclib: Add special formating for implementation notes

Layout update

Change template quoting style and add Literal commands to make templates portable accross SCons versions

Adjust search.php and search_paths.php generation

autogenerate list of search indices
replace @TOPDIR@ in html templates with relative path to project root

Fix search layout to work acceptably in all browsers

More layout fixes using XSLT

Extended the Sniffer example to optionally use the Scheduler
Some additional small documentation fixes

Unified emacs Local Variables

Set fixed column width in member docs

Add HTML tidy postprocessing and error filtering to SENFScons doxygen method
Add doclib/filter.pl INPUT_FILTER to fix example code indentation in the documentation
Add a glossary to the Socket documentation
Furthher Socket library docs (Protocol classes)

Extend the CSS rules some more for advanced browsers (probably everyone except IE)

Finish FileHandle documentation
Complete SocketHandle documentation

Updated documentation templates to include cross-reference
Fixed documentation build (especially regarding cleanup)
Cleaned up BUG, FIXME, TODO and IDEA items
More SocketLibrary documentation

add table layout