XD-1040: Remove legacy application classes.

These have been replaced by Spring Boot and are
no longer required
XD-1063: Fix mqtt props
XD-933: Remove unneeded workaround HATEOAS bug
XD-1058 Update bootstrap LESS

- Include only modals & glyphicons LESS files
  for the job launch with parameters' change
XD-71: Switch to more efficient UUID impl in Tuple

Use the com.eaio implementation instead of the default
JDK UUID generator.
XD-1079 Fix batchJobs method name

- Change BatchJobsController.listForJob to 'executionsForJob'
- Change BatchJobsController.jobInstances to 'instancesForJob'
- Fix javadoc for BatchJobsController & BatchJobExecutionsController
XD-1040 Remove legacy code post-bootification

Remove legacy profile

Remove xd-ppc.xml

Remove UiResourceIdentifier

Fix profiles so job registry tables load by default

Make red margin marker go away in IDE

Fix launcher main class for exec project

Tidy up redis configuration to fit Spring Boot conventions

Remove empty xd-common.xml

Test distributed batch job and verify configuration

Fixed 3 files with <beans/> not at end

Make HSQL server the default DB in single node

Also correct the driver class name to the documented preferred
value.

Externalize HSQLDB hostname (hsql.server.host)
Add back a banner and basic info about transport etc.
XD-1059 Add StepExecutions to JobExecution

- Add StepExecution into each of the batch job returned
  from the list
- Added test to include step execution info
XD-1078 Add "spring-xd-exec" directory
Merge branch 'master' of github.com:spring-projects/spring-xd