* Move nav-utils and history to new package
* Update config to build and use new navigation package
* Update all imports to use new navigation package
* Remove unnecessary README
* Update nav-utils path
* Fix charts redirecting to previous path when changing interval value
* Fix chart being reset when changing interval
* Fix chart being reset when changing filters
* Add lerna & GB package-building script
* Move currency library to lerna module
* Update lerna config
* Add publish commands
* Add currency as an faux-external module
* Add separate command to build just core files
* Update dependency path
* Update build script to build all packages into `dist`
* Add packages to the jest test setup
* Move date library to packages
* Update imports to use @woocommerce/date
* Output wcSettings definition before any scripts are output
Fixes issues where wc-dates lib relies on settings object
* Add the build step into travis
* Update jest config to dynamically get package paths
* Update package postcss config to match wc-admin’s main config
* Add combined watch scripts for package+app, add a `clean` command to clean up old build files
* Ignore PHPCS error (leave todo message to fix)
* Concat files with a space, fix issue where all files join in one continuous string and fail the check
* Refactor getXTicks
* Hide day from X axis when the time period is too long
* Fix X axis labels misaligned in charts
* Align axis ticks to the first day of the month when not displaying the day number
* Store threshold in a variable
* Add missing JSDoc
* Fix charts hanging when the number of days selected was exactly 180
* Improve function naming
* Fix dayTicksThreshold mismatch between date format and chart layout