Pass error code to cancel function (bug 1050544)
Merge pull request #119 from muffinresearch/fix-cancel-errcodes

Pass errorCode to cancel function (bug 1050544)
Extract strings
Merge newly extracted strings (bug 1060637)
Merge pull request #120 from muffinresearch/extract-strings

Extract strings (bug 1060637)
Commit from Mozilla Verbatim by user michael.koehler1@gmx.de.: 71 of 71 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user a.polivanchuk@outlook.com.: 71 of 71 strings translated (0 fuzzy).
Add logging to help diagnose bug 1061923
Merge pull request #121 from mozilla/add-logging-for-bug-1061923

Add logging to help diagnose bug 1061923
Commit from Mozilla Verbatim by user petercpg@mail.moztw.org.: 71 of 71 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user kohei.yoshino@gmail.com.: 68 of 71 strings translated (3 fuzzy).
Commit from Mozilla Verbatim by user kohei.yoshino@gmail.com.: 71 of 71 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user yfdyh000.: 71 of 71 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user markh@babelzilla.org.: 71 of 71 strings translated (0 fuzzy).
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Commit from Mozilla Verbatim by user gialloporpora.: 71 of 71 strings translated (0 fuzzy).
Fix typo trackwebpayevent -> trackEvent