added customers from API

customers are now fetched and stored into db
Merge pull request #77 from Useful-Innovation/edit_page

added customers from API
updated db

modified the customers table as needed
Merge pull request #78 from Useful-Innovation/edit_page

updated db
Extended filter feature

The app now remembers what you previously selected in the drop down
menus
Merge pull request #79 from Useful-Innovation/index-page

Extended filter feature
Some fixes

Fixed session variables to work the laravel way. Create new project now
only shows the logged in user's unused estimates.
Merge pull request #80 from Useful-Innovation/johans-fixes

Some fixes