Link to v0.7.0 release on docs home page

* Add a link to the release notes as well
Use canonical .com for downloads
Skip 0.7.0, skip directly to 0.7.1
Merge pull request #636 from mesosphere/v-seven-docs-homepage

Link to v0.7.1 release on docs home page
Update index of docs to include 0.7.1
.io to .com
Merge pull request #640 from mesosphere/add-0.7.1-to-docs

Update index of docs to include 0.7.1
Migrated to Scala 2.11
Merge pull request #613 from mesosphere/scala-2.11

Migrated to Scala 2.11
Fix docs for `LIKE` constraint
Add `UNLIKE` constraint
don't send answers in MarathonSchedulerActor, when sender is noSender
fixes #648 - TCP health checks don't resolve
Merge pull request #655 from mesosphere/wip-639-deadletters-drexin

fixes #639 - don't send answers in MarathonSchedulerActor, when sender is noSender
Merge pull request #656 from mesosphere/wip-648-resolve-hc-hostnames-drexin

fixes #648 - TCP health checks don't resolve
Fix broken AppDefinition health check validation

- Container.Docker.portMappings is now an Option
- New health check portIndex validation test
- Updated validation error messages
- Fixes #644
Update spray dependency for Scala 2.11

- Fixes class loader errors on launch
- Adds SBT dependency tree plugin
Merge pull request #658 from mesosphere/spray-2.11

Update spray dependency for Scala 2.11
Addressed #657 review comments from @drexin
Fix $HOST env variable for command health checks

- Removed unused Command.toProtoWithEnvironment
- Added env variable checks in TaskBuilderTest
- Added offer.hostname to the env in taskInfo.commandInfo.