Telephone number validation is not user friendly while adding owner

[Jitendrajadhav1990]

while adding owner, getting validation for Telephone is " numeric value out of bounds (<10 digits>.<0 digits> expected)
must not be blank" which will can be user friendly like "Please enter a valid 10 digit mobile number

[dsyer]

That one should be trivial to fix. It's just a message isn't it? You could start with a PR for the default (English).

[Aayush-Kapur]

Hey @dsyer , I've Added User Friendly Messages for blank fields. Please review this PR #1361 .
I've also attached screenshots of before and after for better understanding of output of my commit.