Adding acceptance test for second plan quota

[#67082390]
Increasing timeout when inserting bulk data

* Our second plan inserts 1GB - current timeout was too low

[#67082390]
Bump src/cf-mysql-broker

Bump cloudfoundry/cf-mysql-broker:
  Alex Stupakov and Nicholas Calugar:
     Remove class dependencies from migration ( Travis Success: https://travis-ci.org/cloudfoundry/cf-mysql-broker/builds/27893049 )
Allow spiff merge of max_storage_mb for plans in catalog
fix link to cf-docs for making service plan public
Merge pull request #16 from drnic/patch-1

fix link to cf-docs for making service plan public
Adding a "health check" for the sinatra test app

* This will help identify failures caused by runtime issues
Adjusting max_storage_mb for bosh-lite

Reduce max_storage_mb sizes of each plan when deploying to bosh lite and running
acceptance tests manually
Bump src/cf-mysql-broker

Bump cloudfoundry/cf-mysql-broker:
  Alex Stupakov:
     Remove max_db_per_node limit for instance creation ( Travis Success: https://travis-ci.org/cloudfoundry/cf-mysql-broker/builds/27994145 )