Merge pull request #1 from AlasdairCrawford/master

Release V1.0
Merge pull request #2 from AlasdairCrawford/master

Logo+header
Merge pull request #3 from AlasdairCrawford/master

Freeze fixes
Update README.md
Merge pull request #4 from AlasdairCrawford/master

Updated
Merge pull request #5 from AlasdairCrawford/master

DOE Logo + Source Code instructions
Merge pull request #1 from PNNL-OE-Redox-Flow-Battery-Cost-Tool/master

high flow column added