worked a bit on US tutorial (not ready yet)
renamed tutorials

now steinhard parameters appears at the end
begin with pathcv
more path
Added downloadable tar balls to my belfast tutorials

Also provided instructions in the developer manual on how to
create these files
Some work on US tutorial
TUTORIAL: analysis of CV part 1

initial draft
User Guide Intro Fix

The example given for continuation line was wrong.
more on analysing CVs
ANGLES: fixed manual

fixed the examples
CV analysis: continue...
More on pcvs
belfast-1: more
belfast-1: done.
HISTOGRAM: small changes to have nice free energy
belfast-1
Fixed a few bugs in regtests
Merge branch 'master' of github.com:plumed/plumed2
Merge branch 'v2.0'
Merge branch 'master' into belfast-tutorials