Remove stash-bundle from main composer.json as it's already present in ezpublish-kernel's

Ref EZP-22415, EZP-20923
Upgraded egulias/listeners-debug-command-bundle to ~1.9
Revert "Remove stash-bundle from main composer.json as it's already present in ezpublish-kernel's"

This reverts commit b0e09f6eb3bc74dae6144451c84201538f7f1978.
Fix EZP-22415: Upgrade dependency on Stash bundle to 0.3
BDD DemoContent: Added common methods to context files
Merge pull request #117 from cleverti/qa275_start_page_side_bar

BDD DemoContent: Added common methods to context files
Added Eclipse project files to .gitignore
Made interactive debugging more convenient

bootstrap.php.cache and classes cache can really
get in the way with interactive debugging sessions.

This changes the front controller so that when debugging,
real classes are used instead of caches.
Merge pull request #85 from ezsystems/improvement/interactive_debugging

Skip bootstrap.php.cache/classes cache in debug mode
Add dependency on legacy so project can be installed purly with composer
Merge pull request #124 from ezsystems/add_legacy_dep

Add dependency on legacy so project can be installed purely with composer