Merge pull request #488 from kanoi/master

miner.php $mcastexpect, font adjustements and doctype
Merge pull request #489 from kanoi/master

miner.php allow formula generation of new fields
take_queued_work_bymidstate should use a write lock.
Merge branch 'master' of github.com:ckolivas/cgminer
Update NEWS.
Bump version to 3.4.2