Merge pull request #162 from Witia1/master

Polish translation updated
update de locale
Log prices API response for price point
update it locale
compile
L10N update for Czech (cs)
Document installing dev packaged app certs
Let docs build without breaking solitude api
Merge pull request #164 from JasnaPaka/master

L10N update for Czech (cs)
Update messages.po

[es] WebPay l10n updated.
Merge pull request #165 from inma610/patch-1

Update messages.po
typo in zamboni switch in docs
add in whitelist (bug 884464)
fix typo
Add specific error message for bad price tier (bug 878216)
external language for tier is price point
Translated to Croatian
Merge pull request #167 from hseagle2015/master

Croatian (hr) translation
Added Basque translation
Small fixes