Missing string fixes for i18n
Missing string fixes for i18n

Fixes #125

If we have partial translation in some languages this will help us solve
the problem by filling the default locale values.

andymckay/donate.mozilla.org,MozillaItalia/donate.mozilla.org,muffinresearch/donate.mozilla.org,mathjazz/donate.mozilla.org,alanmoo/donate.mozilla.org,jbuck/donate.mozilla.org,ScottDowne/donate.mozilla.org,alicoding/donate.mozilla.org,mozilla/donate.mozilla.org,mirror-mozilla-svn/donate.mozilla.org,bjdixon/donate.mozilla.org