Install mcabber headers
* Change mcabber headers naming scheme
* Move 'src/' -> 'mcabber/'
* Add missing include <mcabber/config.h>'s
* Create and install clean config.h version in 'include/'
* Move "dirty" config.h version to 'mcabber/'
* Add $(top_srcdir) to compiler include path
* Update modules HOWTO
#ifndef __MCABBER_CONFIG_H__
#define __MCABBER_CONFIG_H__ 1
/* ... */
#undef MODULES_ENABLE
/* ... */
#undef HAVE_LIBOTR
/* ... */
#undef HAVE_GPGME
/* ... */
#undef HAVE_NCURSESW_NCURSES_H
/* ... */
#undef HAVE_NCURSES_NCURSES_H
/* ... */
#undef WITH_ENCHANT
/* ... */
#undef WITH_ASPELL
/* ... */
#undef JEP0022
/* ... */
#undef JEP0085
/* ... */
#undef HAVE_UNICODE
/* ... */
#undef HAVE_WCHAR_H
/* ... */
#undef HAVE_WCTYPE_H
/* ... */
#undef HAVE_WCHAR_H
/* ... */
#undef HAVE_ISWBLANK
/* ... */
#undef HAVE_STRCASESTR
/* ... */
#undef DATA_DIR
/* ... */
#undef PKGLIB_DIR
#endif