Fixing Belarusian language
Fixing code style errors
Change duration.toIsoString to duration.toISOString. Closes #1752
Fixing Belarusian language
Fixing code style errors
Fixed tests according to changes in #1642, see @icambron's last comment
Fixing merge conflicts
Convert double quotes to single quotes in moment.js
Simplify readme

 * Move the changelog to its own file
 * Make badges look like moment-timezone
Move readme simplification

 * Rename readme.md to README.md because apparently that's the cool
 thing to do
 * Move more stuff into contributing.md.
 * Make CONTRIBUTING.md a little less yelly because the default branch
 thing seems to be working.
more simplification
Merge pull request #1727 from Oire/feature/fix-1657

Fixing Belarusian language
Merge pull request #1764 from austentalbot/develop

Convert double quotes to single quotes in moment.js
remove Sauce build from Travis
fixing build
Merge pull request #1759 from icambron/iso_vs_ISO

Change duration.toIsoString to duration.toISOString

@changelog
@section deprecation
@description rename duration.toIsoString to duration.toISOString
fixed spelling
Merge pull request #1765 from icambron/simplify_readme

Simplify readme
deprecate pre-2.0 add/subtract
fix todo