Bug 955890 - Part 1: Fix DevTools JS warnings about some code paths not returning a value. r=rcampbell
Bug 955890 - Part 2: Fix some undefined property warnings in DevTools JS. r=rcampbell
Bug 955891 - Part 1: Cleopatra: Fix some JS warnings. r=anton
Bug 955891 - Part 2: Cleopatra: Fix misspellings of "contiguous". r=anton