All errors that lead to MTP request resending by default
error handler now can be handled differently. For example
inline bot requests are not being resent on 5XX error codes.
+ extensive use of auto keyword in MTP types handling.
Moved inline bot result layouts from layout.cpp/h module.
Over status prepared for inline bot file result icon.
Dependencies reduced, inline bots code moved to InlineBots namespace.
Build in Xcode and QtCreator broken.
