Remove top venture

- Remove top venture template
- Remove top venture from menu
- Remove top venture from routing
- Remove top venture from urls
hide selected usage types columns on ventures reports
Merge pull request #83 from mkurek/feature/hide-usage-types-columns-on-report

LGTM
Merge pull request #82 from kula1922/feature/usuniecie-top-venture

TMAW
Merge pull request #86 from kula1922/release/2.0.0

Release/2.0.0
change required version of ralph_assets
Added new lines
Merge pull request #88 from allegro/release/2.0.0

Release/2.0.0
Merge pull request #90 from allegro/release/2.0.0

If warehouse name is mpty string, used - like name
Warehouse must be choose
remove one new line
ceilometer
Merge branch 'develop' of github.com:allegro/ralph_pricing into feature/ceilopricing
Fix grammatical error
splunk plugin fixed
SplunkName model removed
ceilometer save
first step to improve reports performance
logging added to splunk plugin
Merge pull request #89 from mkurek/fix/splunk-plugin

splunk plugin fixed