GUI parameters and descriptions updates.

Signed-off-by: nicolejeansmith <nicole.j.smith@gmail.com>
Added known issue re: LakeConnectivity to "known and outstanding bugs.txt"

Signed-off-by: nicolejeansmith <nicole.j.smith@gmail.com>
Test messages removed from create_csi_watersheds

Signed-off-by: nicolejeansmith <nicole.j.smith@gmail.com>
A few more refinements to interlake:
Use other 10-hectare lake polygons instead of their junctions to remove watersheds from selection, junctions have too many tiny alignment quirks

Signed-off-by: nicolejeansmith <nicole.j.smith@gmail.com>
Added merge_watersheds_to_subregion.py

Signed-off-by: nicolejeansmith <nicole.j.smith@gmail.com>