Added check on format of xyz lines

(cherry picked from commit 3f29649154b0755601a4d0b0708227e9203362c8)
Fixed traj format

(cherry picked from commit 0f81aac60d7412743612589c01056e1fea6be7b1)
changelog
Fixed leaks

(cherry picked from commit 1582340778aed2a6728287c096dd29cf25c8055e)

Conflicts:
	src/tools/BiasRepresentation.cpp
changelog
Several small fixes in docs
Added total bias

A component called "bias" is needed for replica exchange to work properly
Changelog
Renamed for consistency
changelog
Merge branch 'v2.0-fixes' into v2.0
Fixed mem leak for shortcut vessels

(cherry picked from commit ab117d7971919ecf4b8d1499d9290ba944354a28)

Conflicts:
	src/vesselbase/ActionWithVessel.cpp
Merge branch 'v2.0' into v2.0-hrex