1) update to doxygen 1.5.x style file, as used in trunk
2) tell doxygen where are header files are, so include-file processing can be done
3) make all macros that are used to define variables/functions be expanded, so that doxygen will properly document the resulting variable/function
4) make all macros that are used to provide the contents of a variable (structure) be expanded, so that doxygen will be able to document the resulting fields
5) suppress compiler attributes (__attribute__(xxx)) from being seen by doxygen, so it will properly match up function definition and usage (for an example of th effect of this, look at the doxygen docs for ast_log() from before and afte this commit)
git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@157104 65c4cc65-6c06-0410-ace0-fbb531ad65f3
make create_addr return the peer's outkey, so dynamic realtime peers can use keys for calls (bug #4431)
add key support for switch connection strings
use a common dial/switch string parser instead of three copies (none of them identical)
make doxygen docs cover the entire source base
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5833 65c4cc65-6c06-0410-ace0-fbb531ad65f3
