Introduce a general 'deploy' task

[juancavallotti]

Mule Plugin should contain a deploy task, this task will be in charge of triggering all deployment tasks that are configured within the project.

This task will serve the following purposes:

• Improve user experience: users only have to remember one task name as opposed to each specific task name.
• Simplify deployment to multiple targets at the same time.

In order to perform this, the local deployment must not fail when no no configuration is found. But should when configuration is found but is invalid.

The following tasks names must change to avoid clashes and to add consistency.

• deploy task in cloudhub plugin must be renamed to cloudhubDeploy
• deploy task in mule agent plugin must be renamed to muleAgentDeploy

If deployment to a specific platform is required, then the user will need to call the specific deployment task.

[juancavallotti]

This issue still cannot be closed until integration testing is performed.

[juancavallotti]

Testing of the feature completed.