[audio] Remove ESD Audio support (obsoleted)
[audio] Added PulseAudio support
[Audio] Check system command ended successfully
[Audio] Warn if ALSA underruns.
[Compiler support] Qualify methods and declare templates
[License] Change license for regexp files from University of California.

Remove acknowledgement display clause according to:
ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
[bug] Fix undefined behaviour
[performance] Avoid unnecessary (tiny) copy
[Feature] Add TokenStream seek and read methods for istreams
[Fix] new[] matches delete[]
[spelling] Small fixes
[Fix] fread success check
[Compiler] Update gcc default flags

 - Use g++ to compile C++ sources
 - Honor CPPFLAGS
 - Remove fno-implicit-templates
[autoconf] Maintenance updates

 - Update config.guess and config.sub
 - Rename configure.in (deprecated) to configure.ac
 - Update configure.ac to comply with autoconf 2.69
 - Rebuild configure
[Rules] Add SCCS and BitKeeper to bin_process.mak
[Rules] Avoid compute to-be-cleaned dependencies when cleaning
[doc] Update config directory
[doc] Update include directory
[doc] Update main directory
[doc] Update scripts directory