Portuguese translations
changed tem to contem
Changed `Snippets` to `Exemplos`
Merge branch 'portuguese_translations' into 3.0 (PR #367)

This PR has been rebased before merging it. Closes #367
Merge pull request #379 from VeN/3.0

Czech i18n
add es translations
Merge branch 'add_es_translations' into 3.0 (PR #377)

This PR was rebased before merging it. Closes #377
Fixed encoding of czech translation