Merge branch 'v2.5' into final-spelling-branch

CHANGES/v2.4.md

CHANGES/v2.5.md

README.md

python/Makefile

python/setup.py

src/analysis/AnalysisBase.h

src/analysis/EuclideanDissimilarityMatrix.cpp

src/analysis/FarthestPointSampling.cpp

src/analysis/LandmarkSelectionBase.h

src/analysis/LandmarkStaged.cpp

src/analysis/OutputColvarFile.cpp

src/analysis/PrintDissimilarityMatrix.cpp

src/analysis/ReadDissimilarityMatrix.cpp

src/analysis/ReselectLandmarks.cpp

src/analysis/SelectRandomFrames.cpp

src/analysis/WhamHistogram.cpp

src/analysis/WhamWeights.cpp

src/bias/MaxEnt.cpp

src/bias/PBMetaD.cpp

src/dimred/DimensionalityReductionBase.h