Applied fixes from StyleCI

Support predis v1.1.1

fix: `AUTH failed: ERR Client sent AUTH, but no password is set [tcp://127.0.0.1:6379]`

According to predix release log: https://github.com/nrk/predis/releases/tag/v1.1.1

Use the IP instead of DNS in redis host

Changes localhost to 127.0.0.1 in database config

In https://github.com/laravel/laravel/pull/3641 was decided to use `127.0.0.1` instead of `localhost` to avoid DNS lookups

This change is to maintain consistency between `.env` and `database.php`

Updated package.json

Bumped version for laravel-elixir to 6.0.0-14 in which various npm errors and warnings have been fixed (laravel/elixir#679).

comment formatting

Added recommended parentheses

When using arrow functions, parentheses are recommended if the function takes a single argument and uses curly braces. See section 8.4 of Airbnb's JavaScript style guide, one of the most popular.

Remove unnecessary .gitkeep

Use fullpath for validator facade

Add redirectTo attribute to the reset password controller

Added fullpath import for the validator facade.

Remove space in _variables.scss

Use dropIfExists instead of drop