Tag sources with `VER-2-10-2'.

* docs/VERSION.TXT: Add entry for version 2.10.2.

* README, Jamfile (RefDoc), src/base/ftver.rc,
builds/windows/vc2010/index.html, builds/windows/visualc/index.html,
builds/windows/visualce/index.html,
builds/wince/vc2005-ce/index.html,
builds/wince/vc2008-ce/index.html, docs/freetype-config.1:
s/2.10.1/2.10.2/, s/2101/2102/.

* include/freetype/freetype.h (FREETYPE_PATCH): Set to 2.

* builds/unix/configure.raw (version_info): Set to 23:2:17.
* CMakeLists.txt (VERSION_PATCH): Set to 2.

* docs/CHANGES: Updated.