Changelog 1.21.4

changelog-1.21.4.md

• 714680532 Updated Ghost-Admin to 1.21.4 - Kevin Ansfield
• 0c72fc98b Version bump to 1.21.4 - Kevin Ansfield
• a5697d5f7 Version bump to 1.21.4 - Kevin Ansfield
• b23ec1c58 Switch Travis to Node v8 for linting and coverage (TryGhost/Ghost#9487) - Katharina Irrgang
• b04b2315d Add CONTRIBUTING.md GitHub file - Kevin Ansfield
• 3319dc7fe 🐛 Fixed unreadable error message colour when uploading themes/images (TryGhost/Admin#962) - Hey24sheep
• 28b0c7f32 Recommend Node v8 (TryGhost/Admin#963) - Katharina Irrgang
• 043370d84 Bump markdown-it to version 8.4.1 (TryGhost/Ghost#9484) - Silvio Fernández
• 301e1b241 🎨Improved image counting for the {{reading_time}} helper (TryGhost/Ghost#9366) - Rosco Kalis
• 1da2eec91 🐛Fixed image properties to be reset to null after removal (TryGhost/Ghost#9432) - Aileen Nowak
• f692e27a5 Fixed wrong authentication test - kirrg001
• 04b8dbb85 Bump Ember dependencies to 3.0 (TryGhost/Admin#961) - Kevin Ansfield
• bf43bd307 Only transpile for IE11 target in CI & production builds - Kevin Ansfield
• cbf98a9a8 Bump dependencies (TryGhost/Admin#960) - Kevin Ansfield
• 479b187ac Remove ember-one-way-controls (TryGhost/Admin#959) - Kevin Ansfield
• 759aeb388 Koenig - Image card - Kevin Ansfield
• 44c2359e9 Update Spirit CSS - Kevin Ansfield
• c9d70deba Koenig - Allow clicks on cards to pass through for inputs - Kevin Ansfield
• 415ff2cf2 Extended test mocks: express & knex - kirrg001
• 68dfc3a32 Koenig - Fixed more keyboard card selection bugs - Kevin Ansfield
• 3dedfc7d6 Fixed default mobiledoc handling in our data generator - kirrg001
• 2c0e4b393 🐛 Fixed broken i18n docs link on general settings screen (TryGhost/Admin#958) - Sarah Frantz
• d32cea479 Fixed incorrect test in functional/routes/api/posts_spec.js - kirrg001
• 789895b3d Consistent function names in test utility - kirrg001
• e01b61dcf Proper error handling for permissible implementations - kirrg001