fixed a filter display even if this doesn't have predefined filters; closes #252
updated to disallow web robots for index xls files; closes #244
added more presets tags
twitter card and bing site validation
Merge branch 'master' of https://github.com/ciudadanointeligente/legislative
Merge branch 'master' of https://github.com/ciudadanointeligente/legislative
Merge branch 'master' into master-cl
Merge branch 'master-cl' into production