I found out that by using the pre-linked kernel.o file it is possible
to make a static library libplumed.a that is correctly linked,
including static constructors. When available, this library is used for
plumed patch --static

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.

Using .data() (C++11)

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

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.