Fix layout warnings

[ashwinkey04]

Fixes #127

The below warnings were ignored

Attribute android:foreground has no effect on API levels lower than 23 (current min is 16)

• This warning is not solvable due to a bug which is existing since API 23 [1]

Overlapping items in RelativeLayout

• Fixing this requires using margins which will change the layout majorly and the changes are it visually pleasing either

Please make sure these boxes are checked before submitting your pull request - thanks!

• [x] Run the unit tests with ./gradlew check to make sure you didn't break anything

• [x] If you have multiple commits please combine them into one commit by squashing them.

[garvit984]

@ashwinkey04 The app has been redesigned.