"...ColdFusion.htm has configuration information that is invalid"
"...DWScriptsExtData.js dwscripts is not defined"
After a moment of panic, I did some google searching and found that the problems can be due to a variety of things, as specified by the troubleshooting link (http://www.adobe.com/cfusion/knowledgebase/index.cfm?id=tn_19105#site_cache). For me, I was able to solve the problem by doing the following things:
1) Reinstalling Dreamweaver
2) Delete the filecache.dat file in Mac HD/Users/
3) Delete the MacFileCache-BFE7CE2E.dat (example) in Mac HD/Users/