Solid revenue growth last year following strong performance in 2010 and 2011 after a severe revenue decline in 2009 Michael Cohn at Accounting Today reports this growth according to a newly published analysis.  The report, from the social networking forum Big4.com, analyzed the 2012 financial performance of Deloitte, Ernst & Young, KPMG and PricewaterhouseCoopers. It found that after a strong 2011, fiscal year 2012 saw increases in revenue for all four firms, with revenues increasing between 1.4 percent and 7.8 percent from 2011, as firms leveraged the global economic recovery, improved equity markets, liquid credit conditions, stricter regulations, globalization and…