hygiene, make gand_log() symbol global
minor, also define convenience macros GAND_*_LOG()
minor, provide gandalf specific glue between configger and end-level tool, gand-cfg.*
minor, provide gand_get_trolfdir() and gand_get_port()
chore, be less demanding with the posix c source version
minor, refactor auxiliary routines into libgand.a
Merge branch 'bld/dist'

* bld/dist:
  minor, refactor auxiliary routines into libgand.a
  chore, be less demanding with the posix c source version
  minor, provide gand_get_trolfdir() and gand_get_port()
  minor, provide gandalf specific glue between configger and end-level tool, gand-cfg.*
  minor, also define convenience macros GAND_*_LOG()
  hygiene, make gand_log() symbol global
minor, extradite dictionary lookups into libgand (as dict)
Merge branch 'core/libgand'

* core/libgand:
  minor, extradite dictionary lookups into libgand (as dict)