Amended README.md - MongoDB >= 2.1 required.
updated README.md
Merge branch 'master' of https://github.com/jawr/ebftpd

Conflicts:
	README.md
Merge branch 'master' into unstable
Update README
Update README
thread id in debug log
Merge branch 'master' of github.com:jawr/ebftpd into bio-master
added thread id to debug, error and database logs
Merge branch 'tid_debug' into bio-master
added thread type identifying prefix to thread id in logs
fixed fxp ssl negotiation problem caused by my ssl session reuse commit
made the crash signal handler safer / more correct
changed over from boost::lexical_cast to std library functions added in c++11
last traces of lexical_cast gone except net/ftp.cpp
added util::ToString overloads for formatting floating point numbers
improving who tool - working code
Merge branch 'who' of github.com:jawr/ebftpd into who