Upgrade version and update changes
Merge branch 'develop' into release/2.5.0
Update CHANGES.rst
fixed services usages api logging
api logging - fixed unit tests
Merge pull request #195 from mkurek/fix/api-services-logger-error

fixed services usages api logging
fixed fixed header scroll
added DirectoryTimedRotatingFileHandler, removed sentry workaround, improved default loggers and config
fixed extra_costs test
Merge pull request #196 from mkurek/fix/fixed-header-scroll

fixed fixed header scroll
Merge pull request #197 from mkurek/feature/log-separation

added DirectoryTimedRotatingFileHandler, removed sentry workaround, impr...
separated unknown ventures for shares groups
shares flake8 fixed
ceilometer report plugin performance improved
fixed ceilometer collect new usage type creation
Merge pull request #198 from mkurek/fix/shares-unknown-venture

separated unknown ventures for shares groups
Merge tag 'release/2.5.0' into release/2.5.1
changelog updated and version bumped
Merge pull request #200 from mkurek/fix/ceilometer-collect-new-usage-type

fixed ceilometer collect new usage type creation
Merge pull request #201 from mkurek/release/2.5.1

changelog updated and version bumped