Merge pull request #163 from temenostech/FasterReloadPhase2

Read the file updated by EDS to figure-out what needs to be loaded / upd...
Chanke the locking mechanism to be more atomic (dedicated .lock... file)
Force the reload of resources (new resources where requirering a server restart)
Do not loop for all the resources if one is missing.
Merge pull request #164 from temenostech/FasterReloadPhase3

Chanke the locking mechanism to be more atomic (dedicated .lock... file)
Put back the killing loop.