(no bug) - docs update for GCC requirement
(no bug) - docs update for GCC requirement

Building MDSW requires GCC 4.6 or greater.

bsmedberg/socorro,twobraids/socorro,rhelmer/socorro,rhelmer/socorro,m8ttyB/socorro,spthaolt/socorro,lonnen/socorro,cliqz/socorro,Tayamarn/socorro,Tayamarn/socorro,cliqz/socorro,AdrianGaudebert/socorro,yglazko/socorro,luser/socorro,rhelmer/socorro,Tchanders/socorro,KaiRo-at/socorro,mozilla/socorro,Serg09/socorro,adngdb/socorro,bsmedberg/socorro,Tchanders/socorro,Tchanders/socorro,twobraids/socorro,rhelmer/socorro,lonnen/socorro,linearregression/socorro,spthaolt/socorro,linearregression/socorro,Tchanders/socorro,Serg09/socorro,bsmedberg/socorro,Tayamarn/socorro,mozilla/socorro,Tchanders/socorro,mozilla/socorro,Serg09/socorro,spthaolt/socorro,m8ttyB/socorro,pcabido/socorro,luser/socorro,bsmedberg/socorro,linearregression/socorro,twobraids/socorro,cliqz/socorro,luser/socorro,m8ttyB/socorro,AdrianGaudebert/socorro,KaiRo-at/socorro,adngdb/socorro,mozilla/socorro,mozilla/socorro,KaiRo-at/socorro,yglazko/socorro,twobraids/socorro,AdrianGaudebert/socorro,AdrianGaudebert/socorro,luser/socorro,cliqz/socorro,linearregression/socorro,Serg09/socorro,Tayamarn/socorro,adngdb/socorro,linearregression/socorro,spthaolt/socorro,m8ttyB/socorro,m8ttyB/socorro,bsmedberg/socorro,m8ttyB/socorro,lonnen/socorro,rhelmer/socorro,Tchanders/socorro,mozilla/socorro,lonnen/socorro,adngdb/socorro,spthaolt/socorro,luser/socorro,KaiRo-at/socorro,luser/socorro,rhelmer/socorro,twobraids/socorro,cliqz/socorro,adngdb/socorro,KaiRo-at/socorro,twobraids/socorro,linearregression/socorro,Tayamarn/socorro,pcabido/socorro,pcabido/socorro,pcabido/socorro,yglazko/socorro,cliqz/socorro,Tayamarn/socorro,pcabido/socorro,pcabido/socorro,yglazko/socorro,yglazko/socorro,spthaolt/socorro,Serg09/socorro,AdrianGaudebert/socorro,KaiRo-at/socorro,yglazko/socorro,Serg09/socorro,AdrianGaudebert/socorro,adngdb/socorro