Code cleanup
Page class

* Removed not functioning format code
Forms, gps input

* Hidden lat,lng fields
Constants

* Separated constants into own file
Error reporting

* Prepared for better error reporting
Compile

* Added constants to the system
Compiler

* Compiler respects current git branch
Code fixes
Config cleanup

* Fixed default config for deploy
Messages

* Fixed module for messages
Forms, gps input

* Switched position of url and position
Location input

* Fixed GPS float val inputs, respecting locales
* Replaced option 'keep' by 'edit'