win32: read mime.types in startup directory.
support SSL on win32.
updated files to be included in tarball.
made some core modules library (libsylph).
modified Makefile.am, and made 2.1.0 release.
use AM_GLIB_GNU_GETTEXT, and removed intl/.
Makefile.am: fixed a typo. updated ChangeLog.
changed the filenames of documents.
Initial import of Sylpheed (GTK2 version).