update size hints on zoom

On font zooming (i.e. xzoom()), window size hints are not updated.  This
patch does that.

Signed-off-by: Roberto E. Vargas Caballero <k0ga@shike2.com>
Fix typo in config.def.h

Signed-off-by: Roberto E. Vargas Caballero <k0ga@shike2.com>
added .gitignore file
symlinked config.def.h to config.h
initial commit of my config.def.h
default font is now DejaVu Sans Mono for Powerline