update replacement examples in dumpString()
remove sq and mk from Firefox OS slogans
add specific rules to lang_update for dealing with string changes on brands in firefox/os/faq, use a new global variable to store the locale and allow these fixes (committing to keep an example of how to deal with string changes like that to avoid bothering localizers)
add an example of a string change
Merge branch 'master' of github.com:pascalchevrel/langchecker