adding tests for setting zone
adding tests for diff and from
adding tests for unix timestamp and unix millisecond offset
zone tests for cloning, start/endof, resetting offset with local and utc
zones outputting correct timestamped date with toDate
adding zone tests for isSame, isBefore, and isAfter
adding some tests for zones outside the -12 to +12 range
adding tests for adding/subtracting over dst
fixing travis
undoing grunt task test files
adding tests for parsing strings for timezone info
adding tests for shorthand zone setters via -15 to +15
Corercted galician translations gl.js

- Corrected "Octubro" --> "Outubro"
- Corrected "fai" --> "hai". "fai" is a spanized fail. Correct example: "two days ago" --> "hai dous días" (not "fai dous días")
- Corrected "uns segundo" --> "un segundo" (number agreement)
Update gl.js
Update gl.js

Corrected "un segundo" --> "uns segundos" (a few seconds).
I realised my error in last correction after take a look and correct gl.js in test section.
adding breton language
Updating months
Updating header (comments)
More tests, more translations
Update header