HBASE-14930 check_compatibility.sh needs smarter exit codes
HBASE-14930 check_compatibility.sh needs smarter exit codes

Signed-off-by: Andrew Purtell <b91237ce35d325aea9eacb2c17af89139c6c9289@apache.org>

JingchengDu/hbase,HubSpot/hbase,JingchengDu/hbase,gustavoanatoly/hbase,mahak/hbase,apurtell/hbase,ChinmaySKulkarni/hbase,apurtell/hbase,ndimiduk/hbase,mahak/hbase,Apache9/hbase,apurtell/hbase,gustavoanatoly/hbase,ndimiduk/hbase,Apache9/hbase,mahak/hbase,Eshcar/hbase,apurtell/hbase,ultratendency/hbase,JingchengDu/hbase,ChinmaySKulkarni/hbase,francisliu/hbase,HubSpot/hbase,ultratendency/hbase,ultratendency/hbase,gustavoanatoly/hbase,HubSpot/hbase,vincentpoon/hbase,bijugs/hbase,ultratendency/hbase,HubSpot/hbase,gustavoanatoly/hbase,ChinmaySKulkarni/hbase,ndimiduk/hbase,Eshcar/hbase,apurtell/hbase,francisliu/hbase,apurtell/hbase,HubSpot/hbase,francisliu/hbase,vincentpoon/hbase,ultratendency/hbase,JingchengDu/hbase,ndimiduk/hbase,JingchengDu/hbase,mahak/hbase,bijugs/hbase,Apache9/hbase,mahak/hbase,apurtell/hbase,Apache9/hbase,ndimiduk/hbase,ChinmaySKulkarni/hbase,ultratendency/hbase,ultratendency/hbase,francisliu/hbase,Eshcar/hbase,vincentpoon/hbase,Apache9/hbase,mahak/hbase,ChinmaySKulkarni/hbase,Apache9/hbase,vincentpoon/hbase,HubSpot/hbase,gustavoanatoly/hbase,bijugs/hbase,ChinmaySKulkarni/hbase,apurtell/hbase,mahak/hbase,bijugs/hbase,HubSpot/hbase,Eshcar/hbase,gustavoanatoly/hbase,JingchengDu/hbase,Apache9/hbase,gustavoanatoly/hbase,Apache9/hbase,ndimiduk/hbase,vincentpoon/hbase,ChinmaySKulkarni/hbase,mahak/hbase,ChinmaySKulkarni/hbase,francisliu/hbase,bijugs/hbase,HubSpot/hbase,bijugs/hbase,apurtell/hbase,francisliu/hbase,mahak/hbase,francisliu/hbase,ndimiduk/hbase,ChinmaySKulkarni/hbase,bijugs/hbase,Eshcar/hbase,HubSpot/hbase,gustavoanatoly/hbase,ultratendency/hbase,bijugs/hbase,francisliu/hbase,Eshcar/hbase,ndimiduk/hbase,ChinmaySKulkarni/hbase,Eshcar/hbase,Apache9/hbase,bijugs/hbase,ultratendency/hbase,vincentpoon/hbase,ultratendency/hbase,gustavoanatoly/hbase,vincentpoon/hbase,gustavoanatoly/hbase,vincentpoon/hbase,bijugs/hbase,HubSpot/hbase,Eshcar/hbase,vincentpoon/hbase,JingchengDu/hbase,JingchengDu/hbase,vincentpoon/hbase,apurtell/hbase,ndimiduk/hbase,Eshcar/hbase,Apache9/hbase,Eshcar/hbase,francisliu/hbase,ndimiduk/hbase,JingchengDu/hbase,JingchengDu/hbase,francisliu/hbase,mahak/hbase