Moved PLOVasp tests to root 'test' directory

Appropriate modifications to CMakeLists have also been made.

test/CMakeLists.txt

@@ -8,3 +8,5 @@ triqs_add_test_hdf(sumkdft_basic " -d 1.e-6" )
 triqs_add_test_hdf(srvo3_Gloc "  -d 1.e-6" )
 triqs_add_test_hdf(srvo3_transp " -d 1.e-6" )
 triqs_add_test_hdf(sigma_from_file " -d 1.e-6" )
+
+add_subdirectory(plovasp)

test/plovasp/CMakeLists.txt

@@ -0,0 +1,4 @@
+# load triqs helper to set up tests
+
+FILE(COPY plovasp DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+