Made it so that my RMSD uses code from old RMSD
Added scaled components

It is possible to use
DISTANCE SCALED_COMPONENTS
to get components with the correct (-0.5,+0.5) periodicity

Fixed #63
changelog
Merge remote-tracking branch 'origin/master'
AlphaBeta and Torsions: small fixes in documentation
Fixed doc
fixes in changelog
Added note on switching function parameters
Merge branch 'v2.0'
Noted changes to labels in changelog
Added documentation for last undocumented action.

This commit resolves issue #97  However, I also changed the layout of
the colvar page on the manual so I thought I would push it on a branch
before merging it into master.  Let me know if there are any objections
to the changes I have made.
Merge branch 'master' of github.com:plumed/plumed2
compilation: removed a couple of warnings
Fixed a bug for link cells in multicolvar

Array elements weren't necessarily assigned when this is
run in parallel
Doc fix
doc fixes
Changed manual after discussions about issue #97

I split up the section on the input syntax and rewrote the introductions
to plumed and to collective variables in general
Updated year in copyright
Changed Quick Introduction to Getting Started
move Intro to collective variables. Getting Started instead of Quick Intro