enhance bootstrap script to also support Lmod and modulecmd.tcl
fix minor typo in comments
stop looking after first module tools hit, unset $MODULEPATH for stage 2 install, enhance used module help regex, fix EB env vars to new style
add message on setting $EASYBUILD_MODULES_TOOL, make final messages more clearer by adding whitespace
fix order of modules tools being check for
Merge pull request #869 from boegel/enhance_bootstrap

enhance bootstrap script to also support Lmod and modulecmd.tcl