Updates and corrections to pt_PT language files

Translation, updates, and corrections to pt_PT language files
Merge branch 'master' of git://github.com/eucosta/totalfinder-i18n

Conflicts:
	plugin/pt_PT.lproj/CopyPathMenu.strings
	plugin/pt_PT.lproj/CutAndPaste.strings
	plugin/pt_PT.lproj/DockProgressBar.strings
	plugin/pt_PT.lproj/PublishBox.strings
	plugin/pt_PT.lproj/TotalFinder.strings
propagate missing strings to pt_PT
new strings translated to Finnish
Merge pull request #264 from rantom/master

New strings
fix constraints in Tabs Preferences panel
cleanup constrains
improve readme as suggested by Mike
update readme.pdf as suggested by Mike
updated Tabs.strings
Merge pull request #265 from rantom/master

Translated "Tabs.strings" to Finnish
update Czech translation
remove duplicite keys in English translation files
make translation propagation sticky when moving keys between files
propagate duplicit keys cleanup
improve validate task to report duplicate keys
remove duplicit keys from English.lproj
propagate removal of duplicit translation keys
propagate SYSTEM key
Updated translation to version 1.4.9 [ITA]