Merge branch 'master' into sketch-map

.travis.yml

.travis/install.cppcheck

.travis/install.doxygen

.travis/install.gawk

.travis/install.xdrfile

CHANGES/v2.4.txt

README

configure

configure.ac

developer-doc/HowToContributeToPlumed.txt

regtest/basic/rt-make-mw/main.cpp

regtest/crystallization/rt-spherical-integral/config

regtest/multicolvar/rt-dist-contour/deriv.reference

src/colvar/Torsion.cpp

src/core/GREX.cpp

src/core/PlumedMain.cpp

src/maketools/codecheck

src/multicolvar/DistanceFromContour.cpp

src/tools/Kearsley.cpp

src/tools/Kearsley.h