Don't override :session_id setting if it's being set somewhere else when
the admin starts, see: https://github.com/padrino/padrino-framework/issues/500#issuecomment-16836189
cleanup application
refactor application
refactor global configurations
clarify Tilt preamble tampering, remove split/join, cleanup
Fixed the loading order of an app's dependencies.
If we load apps first, libraries won't be there, hence throwing
exceptions at run time.
For example, this can be reproduced with any library that needs to be registered like ScssInitialiazer.
See #1448#issuecomment-26143346

Apps not being loaded at the last point makes things like libraries
Added @ujifgc's suggestion #1449#issuecomment-26145420 to launch the circular loader.
Merge pull request #1449 from padrino/fix-loading-order

Fixed the loading order of an app's dependencies.
Merge pull request #1448 from padrino/cleanup-application

More code cleanup
Merge pull request #1443 from padrino/dont_override_session_id_admin_if_set

Don't step over :session_id setting on admin apps
replace Padrino::Cache::Store with Moneta
Merge pull request #1018 from minad/moneta-replace

replace Padrino::Cache::Store with Moneta