modeller easyblock
imports in alphabetical order
cosmetic changes
obtain default_install_path in just one line
add copyright/license header, use license_key easyconfig parameter
add custom sanity check and guesses for PYTHONPATH and LD_LIBRARY_PATH
avoid hardcoding of (Pythob) lib dirs
Merge pull request #1 from boegel/modeller

add copyright/license header, use license_key easyconfig parameter
use existing 'key' easyconfig parameter
Merge pull request #2 from boegel/modeller

use existing 'key' easyconfig parameter
Merge pull request #392 from pescobar/modeller

modeller easyblock