restore nginx-1.4.2
Merge pull request #22 from wkshare/master

restore nginx-1.4.2
add nginx-1.4.4
add nginx-1.4.4_ubuntu-10.04.tar.gz
Merge pull request #23 from wkshare/master

add nginx-1.4.4_ubuntu-12.04
delete old nginx-1.4.4
update nginx
update nginx and mongodb
update mongodb
Merge pull request #24 from wkshare/master

update mongodb and nginx