With some compiler it is undefined. Notice that it is not in the c++
standard.

Builds are faster on travis. Notice that all developers
recompile the code without this option, so in order to check if the
dependency options are fine we really do not need travis-ci.

with 315e6746

This tests for 31adcd34

Strings like "x(abc)" where erroneously considered as equivalent to "(abc)"

Code results unchanged

I went through cppcheck warnings (style) and fixes those I understood.
Mostly issues related to scope of variables.

This commit contains changes automatically generated by plumedbot on Travis-ci.

This commit contains changes automatically generated by plumedbot on Travis-ci.

macports ccache was not saved correctly

Fixed partial_tempering with gromacs 5 convention. Old behavior can be
forced with --gromacs4 option.

added comment in config.txt file

Two bug fixes for VES module

Fixed conflict in changelog