ConfigurationService to create default config dir

- Have ConfigurationService create a default startup config directory,
  so that container unaware apps/modules can initiate and individual
  save.
- Semantic fixes in IConfigurationContainerService
- Bump configuration api rev since methods were added since last rev

Change-Id: Ifec274c258859a402f6dad7394c43c28ed162b95
Signed-off-by: Yevgeny Khodorkovsky <ykhodork@cisco.com>
Merge "ConfigurationService to create default config dir"