Fixed write.configs.ed.R to use path+prefix to site/pss/css file. Closes gh-242.
Set IED_INIT_MODE=3 in ED2IN templates.

Reasonable workaround to issue gh-243, which has been updated to describe a better permanent solution.
Merge pull request #250 from ryankelly-uiuc/fix_ED2_SFILIN

Fixed write.configs.ed.R to use path+prefix to site file. Closes gh-242.
Merge pull request #251 from ryankelly-uiuc/fix_ED2IN_templates

Set IED_INIT_MODE=3 in ED2IN templates.