Fix:Resolved crash in splash activity in devices below API 24

[DhaneshShetty]

Description

The login used to crash because the mentorship logo was in drawable v-24 folder.Resolved it by moving it to drawable folder.

Fixes #430

Type of Change:

Code/Quality Assurance Only

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Tested on Lenovo K5 Note(Android 5.0)

Checklist:

Delete irrelevant options.

• [X] My PR follows the style guidelines of this project

Code/Quality Assurance Only

• [X] My changes generate no new warnings

[epicadk]

@DhaneshShetty can you solve the merge conflicts?