Add Favorites & News buttons to Home screen

[mmathieum]

As a user, I want to quickly access my favorites from the home screen

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• [x] Top button
• [x] News button

[mmathieum]

https://github.com/mtransitapps/mtransit-for-android-gradle/commit/39d615cb0a263712353397d2b58dbd5d6d43bbd3 https://github.com/mtransitapps/mtransit-for-android-gradle/commit/0950d46e9fef70c6b314caf4718867dbc3bedadd https://github.com/mtransitapps/mtransit-for-android-gradle/commit/2563358ab863261296f0b0740426b0a4c2fd9d97

https://github.com/mtransitapps/mtransit-for-android/commit/5c8987b4f801d4bf81d50a7d04ad229799505eb0

https://github.com/mtransitapps/commons-android/compare/1323a6dca85cf44d0c7c5f41c8c04b77c250bd49...920dda51fd1cc52459263f23d27e7b6501e0c142

[mmathieum]

https://github.com/mtransitapps/mtransit-for-android/commit/f99eb052f99bdb88ee123a84f7a71d7a7b4af7d3

https://github.com/mtransitapps/mtransit-for-android-gradle/commit/822c1d8341b08c14339a4e075e4b08eeeaf04631

[mmathieum]

https://github.com/mtransitapps/mtransit-for-android/commit/27125b8762617b11553101ace3ccd1e33334008b

https://github.com/mtransitapps/mtransit-for-android-gradle/commit/71fac3540e59a43e570462fe3402583ad6f0c7cf

[mmathieum]

https://github.com/mtransitapps/commons-android/commit/110499efc071e96013aec1f79057250794a81f34

https://github.com/mtransitapps/mtransit-for-android-gradle/commit/7b3689c4108435db5a013915842bfef94b4e288e