rename struct vte_char_attributes to VteCharAttributes, fixup some docs.
* src/vte.c, src/vte.h, src/vteaccess.c: rename struct vte_char_attributes to VteCharAttributes, fixup some docs. * doc/reference: finish up docs.
* src/vte.c, src/vte.h, src/vteaccess.c: rename struct vte_char_attributes to VteCharAttributes, fixup some docs. * doc/reference: finish up docs.