adding a new test for explicitly checking for the removal of duplicates in the NL

Author: Iximiel

regtest/basic/rt-nl-duplicates-requestlist/Makefile

@@ -0,0 +1 @@
+include ../../scripts/test.make

regtest/basic/rt-nl-duplicates-requestlist/colvar.reference

@@ -0,0 +1,28 @@
+#! FIELDS time c
+ 0.000000   0.0661
+ 1.000000   0.0661
+ 2.000000   0.0661
+ 3.000000   0.0661
+ 4.000000   0.0661
+ 5.000000   0.0661
+ 6.000000   0.0661
+ 7.000000   0.0661
+ 8.000000   0.0661
+ 9.000000   0.0661
+ 10.000000   0.0661
+ 11.000000   0.0661
+ 12.000000   0.0661
+ 13.000000   0.0661
+ 14.000000   0.0661
+ 15.000000   0.0661
+ 16.000000   0.0661
+ 17.000000   0.0661
+ 18.000000   0.0661
+ 19.000000   0.0661
+ 20.000000   0.0661
+ 21.000000   0.0661
+ 22.000000   0.0661
+ 23.000000   0.0661
+ 24.000000   0.0661
+ 25.000000   0.0661
+ 26.000000   0.0661

regtest/basic/rt-nl-duplicates-requestlist/config

@@ -0,0 +1,3 @@
+type=driver
+# this is to test a different name
+arg="--plumed plumed.dat --ixyz trajectory.xyz --dump-forces ff --dump-forces-fmt=%10.5f --dump-full-virial"