Adding further experiments and CH4 variables

Adding the experiments and CH4 variables requested by TK

Related issues: #1 (closed) (experiments) #2 (variables)

DB/CreateMappingTables.sh

 #! /usr/bin/bash
 
-for MODEL in mpiesm12echam6 mpiesm12jsbach mpiesm12mpiom mpiesm12ebm mpiesm12mpism mpiesm12vilma
+#for MODEL in mpiesm12echam6 mpiesm12jsbach mpiesm12mpiom mpiesm12ebm mpiesm12mpism mpiesm12vilma
+for MODEL in awiesmjsbach awiesmecham6 awiesmpism awiesmfesom1 awiesmfesom2
 do
         echo $MODEL
         sed "