Added direct force plugin and fixes in stretching energy

Samo Penic

2019-03-09 2c4278db6ead5c27e30a3000097ed898c968534e

 src/plugins/Makefile.am

@@ -1,5 +1,5 @@
AM_CFLAGS = -Wall -Werror -DTS_VERSION=\"$(GITVERSION)\" -fgnu89-inline -Wno-error=date-time -I..
lib_LTLIBRARIES= demoplugin.la vmdefaulthardconstraints.la nucleus.la plane_confinement.la pressure.la constant_volume.la constant_area.la stretching_energy.la
lib_LTLIBRARIES= demoplugin.la vmdefaulthardconstraints.la nucleus.la plane_confinement.la pressure.la constant_volume.la constant_area.la stretching_energy.la direct_force_on_c0.la
demoplugin_la_SOURCES= demo_plugin.c
demoplugin_la_LDFLAGS = -module -avoid-version -export-dynamic

@@ -21,7 +21,9 @@
constant_area_la_SOURCES = constant_area.c 
constant_area_la_LDFLAGS = -module -avoid-version -export-dynamic

stretching_energy_la_SOURCES = constant_area.c 
stretching_energy_la_SOURCES = stretching_energy.c 
stretching_energy_la_LDFLAGS = -module -avoid-version -export-dynamic

direct_force_on_c0_la_SOURCES = direct_force_on_c0.c 
direct_force_on_c0_la_LDFLAGS = -module -avoid-version -export-dynamic