updated readme about contribution
added contribution information
updated readme about contribution
fixed readme link
Add Brazilian Portuguese Translation
Update CONTRIBUTE.md
merged branch MyKiwi/patch-1 (PR #45)

This PR was merged into the master branch.

Discussion
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Update CONTRIBUTE.md

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8f00fa2 Update CONTRIBUTE.md
merged branch andreia/pt-br-translation (PR #43)

This PR was merged into the master branch.

Discussion
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[rfr] [pt_BR] Add Brazilian Portuguese Translation

Commits
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e9f6e66 Add Brazilian Portuguese Translation
[rfr] [pt] Portuguese from Portugal Translation
merged branch danielcsgomes/pt-translation (PR #19)

This PR was squashed before being merged into the master branch (closes #19).

Discussion
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[rfr] [pt] Portuguese from Portugal Translation

This is an work in progress PR to translate the website into Portuguese from Portugal. After everything is translated will ask to be merged.

Commits
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0bf565a [rfr] [pt] Portuguese from Portugal Translation
Merge remote-tracking branch 'upstream/master'

merged from original repo
Updated ca translations with @ricardclau suggestions