fix composer error

"could not find package zendframework/skeleton-application with stability stable."
Merge pull request #180 from noopable/patch-1

fix composer error
Add Log, Cache abstract factories

- Allows us to remove these from the default MVC service configuration
  so that we do not need to add additional dependencies to that
  component.
Merge pull request #183 from weierophinney/hotfix/cache-log-abstract-factories

Add cache and log abstract factories to configuration
remove unused ->getApplication()->getServiceManager()->get('translator');
Change "translator" service to an alias

- Aliasing to an "MvcTranslator" service, as defined in
  zendframework/zf2#4410
This change only works for ZF versions > 2.2.0rc1
Merge branch 'hotfix/translator-alias'

Close #186
Merge pull request #185 from samsonasik/rem.un.e

remove unused $e->getApplication()->getServiceManager()->get('translator');
Merge branch 'hotfix/185'

Close #185
Updated ZF2 submodule to latest master