Merge branch 'release/v1.2.7-constellation' into develop
Add Icon and Meta-Tags for Chrome Homescreen
Remove JS for Footer positioning
Send Invoices via Mail to Customers
Update Env SMTP Settings
Google Drive Archive, Customer Mails and Error Controller
- Timesheet PDFs are now generated when timers exist
- Archive your Invoices and Timesheets to Google Drive
- E-Mail Templates for each Customers and Sending Invoices via Mail
- Add custom Error-Pages
Update README.md
Refactor nav hover effects and vertical tabs
Merge branch 'develop' of github.com:Reckoning/app into develop
Bump Version
Merge branch 'release/v1.3.0-constellation'

Conflicts:
	Gemfile