Added new Go versions. 1.4.2 is needed to build 1.5, as the new versions can only be built with Go compilers. 1.4.2 is the latest version that can be compiled with gcc

{bio} [intel-2015a] Rosetta 2015.31 (REVEW) 

add Oases-0.2.08-intel-2015a.eb

Add BEDTools 2.25.0 for goolf 1.7.20

{chem}[intel/2015a] PLUMED 2.1.3 (REVIEW)

don't hardwire Samcef version in sources

{cae}[dummy] Samcef 17.0-03 (REVIEW)

{tools}[dummy] EasyBuild 2.3.0 (REVIEW)

release EasyBuild v2.3.0

bump version to 2.3.0 and update release notes

mention list of software names for which custom sanity check paths needed to be added in easyconfigs

{cae}[*/2015b] OpenFOAM 2.3.1 + deps

{lang}[intel/2015b] R 3.2.1 (REVIEW)

{lang}[foss/2015b] R 3.2.1 (REVIEW)

{tools}[GCC/4.9.2] p7zip 9.38.1 (REVIEW)

add ABySS-1.3.7-intel-2015a-Python-2.7.9.eb

Add SOAPdenovo2-r240-intel-2015a.eb