added null/type checks on specific fields of exit
Fixed type check for instance_type_id and rax_options for instanceexists and size for glanceexists
changed the order of the validity check
added validation level as flag
Added empty check for nova image properties
merging with master
fixed request_id and added to pretty.py as well
small tweak
Merge pull request #197 from TMaddox/report_optimization

fixed request_id and added to pretty.py as well
Merge pull request #198 from ramielrowe/master

Add support for travis-ci
Merge pull request #199 from ramielrowe/master

Adding build status to README
Merge pull request #200 from ramielrowe/travis_no_email

Disabling travis emails
Merge pull request #201 from ramielrowe/master

Handling case of no data in 0003 migration
Merge pull request #183 from manalilatkar/2106

2106
Consuming rescue notifications from Nova for Usage
Mapping rescue events to process functions
Merge pull request #202 from ramielrowe/nova_rescue

Consuming rescue notifications from Nova for Usage
End verifier if there are no children
Merge pull request #205 from ramielrowe/end_verifier_no_children

End verifier if there are no children