Create pt.properties

The French translation.
Update chrome.manifest
Update install.rdf
Create pt.properties
Update chrome.manifest

add zh-CN
Update install.rdf

add zh-CN
Merge pull request #20 from Stis/patch-1

Create pt.properties
Merge pull request #21 from Stis/patch-2

Update chrome.manifest
Merge pull request #22 from Stis/patch-3

Update install.rdf
Merge pull request #23 from Cye3s/patch-1

Create pt.properties
Merge pull request #25 from Cye3s/patch-3

Update install.rdf
Merge pull request #24 from Cye3s/patch-2

Conflicts:
	chrome.manifest
Sort locales alphabetically
Group tab-related strings
Rename "fr-FR" to "fr" (as in Firefox itself)
Rename "fr-FR" to "fr" (as in Firefox itself), part 2
Update install.rdf
Update chrome.manifest
Create pt.properties
Correctly remove window.privateTab on extension disabling/uninstaling
(fix #33)