Added a possible example of mattex file

Some syntax corrections

trunk/constitutive_dislo.f90

@@ -304,7 +304,7 @@ do while(.true.)
               material_C44(section)=IO_floatValue(line,positions,2)
          case ('rho0') !* conversion in 1/mm²
               material_rho0(section)=IO_floatValue(line,positions,2)/1.0e6_pReal
-	     case ('interaction_coefficient') 
+	     case ('interaction_coefficients') 
 		      do i=1,crystal_MaxMaxNslipOfStructure
               material_SlipIntCoeff(i,section)=IO_floatValue(line,positions,i+1)
 			  enddo

trunk/constitutive_pheno.f90

@@ -303,7 +303,7 @@ do while(.true.)
               material_s_sat(section)=IO_floatValue(line,positions,2)
 		 case ('w0')
               material_w0(section)=IO_floatValue(line,positions,2)
-	     case ('hardening_coefficient') 
+	     case ('hardening_coefficients') 
 		      do i=1,crystal_MaxMaxNslipOfStructure
               material_SlipIntCoeff(i,section)=IO_floatValue(line,positions,i+1)
 			  enddo

trunk/mattex.mpie

@@ -0,0 +1,32 @@
+<materials>
+[Aluminium]
+crystal_structure		1
+Nslip				12
+C11				106.75e3
+C12				60.41e3
+C44				28.34e3
+# Parameters for phenomenological modeling
+s0_slip				31.0
+gdot0_slip			0.001
+n_slip				20
+h0				75
+s_sat				63
+w0				2.25
+hardening_coefficients           1.0 1.4
+# Parameters for dislocation-based modeling
+rho0				1.5e11
+bg			        2.86e-10
+Qedge				3.0e-19
+tau0		                0.0
+c1				0.1
+c2                              2.0
+c3                              0.4
+c4                      	0.05
+c5				10.0
+interaction_coefficients	1.0 2.2 3.0 1.6 3.8 4.5   
+
+<textures>
+[cube SX]
+symmetry			monoclinic
+Ngrains				1
+(gauss)				phi1	0.0	phi	0.0	phi2	0.0 scatter 0.0	fraction 1.0