Fix min date issue with সন্তান জন্মদানের সম্ভাব্য তারিখ field in settings screen. Clear visible notifications when 'অন্যান্য'  type is selected.

Drop manageSpaceActivity attribute from manifest (User is free to clear app data).
Merge branch 'master' of https://github.com/Apptitive/Ma-o-Shishu
Drop redundant code in SplashActivity.java