[udev] provider initial implementation

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
[udev] chrono is not so functional in gcc-4.6

TODO: When moved to later gcc version or to clang (smth. more
c++11-compliant) this patch can be reverted

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
Revert "[rpm] with/without_qt5"

This reverts commit d135ea9f1fe1e1d37303b5ec1edee2dd6f5b699a. It require
more effort, postponed

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
generate-spec error processing

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>