Merge branch 'branch_1_6_1' into 'master'

Branch 1 6 1

See merge request gromos/gromosXX!145

updated version number in configure.ac --chris

added files to Makefile.am for distribution --chris

Merge branch 'compile-warnings' into 'master'

Compile warnings

Closes #25, #20, and #21

See merge request !9

fixed MPI communication bug introduced in rev1791 affecting solvent-o…

…nly simulations --MariaP

bug fix in pairlist

Tagging the 0.3.0 release of the gromosXXc++ project.

release 0.2.3

release

release