Merge pull request #126 from escopecz/staging

Users dataTable
Merge pull request #127 from escopecz/staging

Stage manager
Merge pull request #128 from escopecz/staging

Categories manager
Merge pull request #129 from escopecz/staging

Stages pagination fixed
Fetch upload data via Input
Write the CLI installer
Comment out service providers
More comments
Convert install model to use exceptions, modify writable check
Move SQL files
More explicit code dealing with writing configuration file
Model review
Username has focus on login load