0.2.19: Merge pull request #230 from jmolivas/rollback-twig-version

[IMPROVEMENT] Sync with Drupal 8 Beta 2 release

v0.2.18

[FIX] Allow duplicated "machine_name" to be entered #170
[FIX] Update Twig version to 1.16.* same as Drupal Core

v0.2.17

• [FIX] Apply patch 2363693-1 #227
• [IMPROVEMENT] Update readme Update Available commands, add Config debug command video #228

v0.2.16

• [IMPROVEMENT] Remove hack for Container debug command #225
• [IMPROVEMENT] Integration with Views for entity content generated #226

v0.2.15

• [IMPROVEMENT] Config debug update #221
• [FIX] Apply patch 2356611-1 #222
• [FIX] Apply patch-2353967-9 #223
• [FIX] Generate entity content fix #224

v0.2.14

• [Improvement] Add config:debug command #220

v0.2.13

• [IMPROVEMENT] Update project documentation #199
• [FIX] Improve and keep up to date current commands and generators #207, #209
• [FIX] Twig_Error_Loader when using generate:entity:content #214
• [FIX] Entity config generation EntityDeleteForm is not deleting #217
• [FIX] Command generate:entity:content don't work #212
• [FIX] Content entity fix #219
• [FIX] Content entity fix #218

v0.2.12

• [FIX] Update to Symfony 2.5 #210

v0.2.11

• [Improvement] Update Readme file #204 #207
• [Improvement] Add "/custom" on Module Path to generate:module command #203
• [Fix] Form generator $form_state is now a classed object. #205
• [Fix] BlockBase class path. #206

v0.2.10

• [Fix] Remove drupal_classloader() function

NOTE: Drupal issue https://www.drupal.org/node/2325197