[TASK] Set stability beta and version 7.2.0 for development
[TASK] Introduce form option 'templateFile'

This option gets set automatically if the form is created from Template
[TASK] Add hasOption method to Form
[TASK] Restore Travis builds for CMS7

CMS 7 has some cleanups going on that moves legacy code into EXT:compatibility6
This change adds it to the Build env when the branch is master.
[FEATURE] Implement convention based locations for template icons

Given a template at EXT:extensionKey/Resources/Private/$controller/$templateName.html
If an icon file exists at EXT:extensionKey/Resources/Public/Icons/$controller/$templateName.(png|gif) it will be used as the icon for this template.

Icon can be set manually via option attribute as before.
[TASK] Drop support for TYPO3 6.1

As 6.1 reached EOL, it has already been removed from travis CI.
As a consequence, new updates shouldn't get delivered to 6.1 users.

They can, however, update manually and see if it works.
[TASK] Set introduction package to correct version
[BUGFIX] Use TS rteDefaults as defaultExtras to enable rich text
[TASK] Use same default extras for richtext as core does for bodytext
[TASK] Enable sub-scopes in model annotations

example:
@Flux\Form\Field inline.fal(key: value, ...)
[BUGFIX] Assign the same view variables to form and grid
[BUGFIX] Replace hovering js selector with :hover
[TASK] Cosmetics cleanup
[TASK] Update .editorconfig
[BUGFIX] Replace hovering js selector with :hover
[BUGFIX] BackendConfigurationManager retrieves wrong pageId

If given an empty array, the function getPageIdFromRecord casts
TRUE to (int) 1 resulting in configuration not loading in
BE/CLI context.

Fixes #705
[TASK] Regenerate XSD
[TASK] Remove PHP 5.4 from travis build of CMS 7
[DOC] Fix an incorrectly closed code citation in VH argument
[TASK] Apply deprecated wizardTab and icon if options not set

This patch will check if the `options` provided to `flux:form` already contain the `group` and/or `icon` options before attempting to set the options from the deprecated arguments `wizardTab` and `icon`.

References: #709, #686