core: Add application lib placeholder

Signed-off-by: Robin Hallabro <robin.hallabro@sveabyran.se>
core: Support application libraries

Signed-off-by: Robin Hallabro <robin.hallabro@sveabyran.se>
core: Controllers shouldn't be required to use views (i.e. Ajax)

Signed-off-by: Robin Hallabro <robin.hallabro@sveabyran.se>
core: Fix indentation

Signed-off-by: Robin Hallabro <robin.hallabro@sveabyran.se>
pdodb: Add support for manual bindings and query preparations

Signed-off-by: Robin Hallabro <robin.hallabro@sveabyran.se>
core: Clean up comments

Signed-off-by: Robin Hallabro <robin.hallabro@sveabyran.se>
core: Add isChecked support for controllers

Signed-off-by: Robin Hallabro <robin.hallabro@sveabyran.se>
core: Add session::destroy() and comments

Signed-off-by: Robin Hallabro <robin.hallabro@sveabyran.se>