remove --with-tcl-config/--with-tk-config from R easyconfig, already done in R easyblock

{lang}[dummy/dummy] Java v1.6.0_24

jModeltest 2.1.10r20160303 and MPJ-Express 0.44

{tools}[dummy/] f90cache v0.96

{tools}[dummy/] ccache v3.3.1

add easyconfig Boost-1.61.0-foss-2016b.eb, add easyconfig GROMACS-5.1.4-foss-2016b-hybrid.eb, add easyconfig GROMACS-5.1.4-foss-2016b-mt.eb

Merge branch 'jmodeltest_2.1.10' of github.com:rug-cit-ris/easybuild-easyconfigs into jmodeltest_2.1.10

sync with develop & resolve conflict

Merge branch 'protobuf302foss2016a' of github.com:rug-cit-ris/easybuild-easyconfigs into protobuf302foss2016a

- versionsuffix
- removed check for __init__.py in egg directory
- check for site-packages directory instead
- removed check for bin directory as it does not contain important files