SPE1 - Keywords which flow does not support

[kristfho]

These keywords are not supported by flow.
If not stated otherwise, the keywords are not supported in both of the cases.

-- Summary files -- 
BGSAT:1
BGSAT:1,1,1
BGSAT:1,1,2
BGSAT:1,1,3
BGSAT:10
BGSAT:10,1,1
BGSAT:10,1,2
BGSAT:10,1,3
BGSAT:10,10,1
BGSAT:10,10,2
BGSAT:10,10,3
BGSAT:100
BGSAT:101
BGSAT:110
BGSAT:200
BGSAT:201
BGSAT:210
BGSAT:300
BPR:1
BPR:1,1,1
BPR:10,10,3
BPR:300
WGOR:PROD
YEARS
---------- Only CASE1 does not support
FGOR
FOPR

-- UNRST files -- 
IGRP
SGRP
XGRP
ZGRP
SWEL
XWEL
ZWLS
IWLS
SCON
XCON
DLYTIM
HIDDEN
REGDIMS
FIPFAMNA
REGRPT
---------- Only CASE1 does not support
RS