Added clearfix to row
Merge pull request #18 from jmfee-usgs/flexible_grid_row_clearfix

Added clearfix to flexible grid row
Updated grunt build to preserve lib folder file permissions when building dist
Merge pull request #19 from jmfee-usgs/make_preinstall_executable

Updated grunt build to preserve lib folder file permissions when buildin...
Updated pre-install to prefer PWD but fall back to getcwd() if needed
Merge pull request #20 from jmfee-usgs/fix_preinstall_on_windows

Updated pre-install to prefer PWD but fall back to getcwd() if needed
Fixed pwd handling for Windows pre-install
Merge pull request #21 from emcwhirter-usgs/Windows-Preinstall

Fixed pwd handling for Windows pre-install