Date with timestamp
fixed created metadata to be equal to date of creation of a post
added date metadata to all posts based on created metadata
Fixed date in some psots
Merge branch 'master' of https://github.com/movimento-sem-terra/site-novo

Conflicts:
	_posts/2014/08/2014-08-14-campos-agiu-com-ousadia-e-coragem-contra-o-latifndio-pernambucano.md
	_posts/2014/08/2014-08-14-misteriosa-doena-fatal-tem-sua-causa-descoberta-os-agrotxicos-da-monsanto.md
	_posts/2014/08/2014-08-14-sem-avanos-2500-trabalhadores-rurais-permanecem-mobilizados-no-par.md
removed created metadata from all posts
Merge branch 'master' of https://github.com/movimento-sem-terra/site-novo
Fixed new posts
Fixed way to show date
fixed weird