libdockapp: Add version 0.6.3 to repository.

Obtained from:
http://sourceforge.net/projects/libdockapp/files/libdockapp-0.6.3.tar.gz/download
libdockapp: Remove autotools-generated files.
libdockapp: Remove trailing whitespace.
libdockapp: Remove CVS cruft.
libdockapp: Use consistent code formatting.

Used uncrustify to minimize warnings and errors from checkpatch.pl in the
Window Maker source tree.
libdockapp: Replace example Imakefiles with Makefiles.

imake is deprecated.
libdockapp: Add #include <time.h> to basic example.

Otherwise, we get the following compiler warning:
basic.c: In function ‘main’:
basic.c:111:2: warning: implicit declaration of function ‘time’ [-Wimplicit-function-declaration]
  srandom(time(NULL));
  ^
libdockapp: Merge ChangeLog into NEWS (they were largely the same).
libdockapp: Add new ChangeLog, created by git2cl.
libdockapp: Add update-changelog target to Makefile to update ChangeLog.
libdockapp: Update contact information.
libdockapp: Release version 0.6.4.