A parched economy hasn’t deterred entrepreneurs from acting on their dreams – and launching new businesses. Southwest Florida’s latest crop of startups includes three that could make this long, hot summer more comfortable for consumers. Their products: A no-see-um repellent, a cami counterfeit and a mobile grocery store. Here’s a closer look at their plans: No No-See-Um Caroline Semerjian’s no-see-um repellent,…