`dummy` toolchain version cause dependency not to be loaded at build time

`dummy` toolchain version causes dependency not to be loaded at build time

{lib}[foss/2016a] mysqlclient v1.3.7, MariaDB v10.1.14

{lib}[foss/2016a,intel/2016a] psutil v4.3.0, psutil v4.3.0

modify easyconfig mysqlclient-1.3.7-foss-2016a-Python-2.7.11.eb, modify easyconfig MariaDB-10.1.13-foss-2016a.eb, modify easyconfig jemalloc-4.1.0-foss-2016a.eb

modify easyconfig psutil-4.3.0-foss-2016a-Python-2.7.11.eb, modify easyconfig psutil-4.3.0-intel-2016a-Python-2.7.11.eb

enable building of libmysqld.* in MariaDB easyconfigs

add missing dependency on GMP in R 3.2.3 easyconfigs (REVIEW)

{data}[intel/2016a] DBD-mysql v4.032

Boost 1.60 CrayGNU-2016.03

fix overruling of exts_list in Perl 5.22.2 easyconfig

{cae} [intel/2016a] OpenFOAM 2.2.2 (REVIEW)