termio: clean up _update_link()
very early work on gravatar integration
add md5.c,h

same code used in ethumb…
gravatar: use a tooltip
termio: cleanup some termio_config_get() uses
set media type as an enum
show gravatar tooltips on emails
reorganize config struct
update gitignore to add md5/{.deps,.dirstamp}
options_behavior.c: use macros to reduce code duplication