Edit README.md by describing new features and build steps.
Edit README.md by describing new features and build steps.

Change-Id: I7b98895eeceb818958d7717cbd4866b2fa6994b6

hisundar/forestdb,seem-sky/forestdb,seem-sky/forestdb,couchbase/forestdb,nvoron23/forestdb,sushmaad/forestdb,zhaog/forestdb,hisundar/forestdb,yyangpan/forestdb,zhaog/forestdb,joliss/forestdb,uvenum/forestdb,jinxuan/forestdb,joliss/forestdb,jinxuan/forestdb,couchbase/forestdb,wurikiji/forestdb,uvenum/forestdb,yyangpan/forestdb,nvoron23/forestdb,sushmaad/forestdb,wurikiji/forestdb