Added mUbumi project text to home page.
Merge pull request #180 from AndreLesa/home_text

Added mUbumi project text to home page.
Removed unnecessary alias field from admin.
Merge pull request #181 from AndreLesa/alias_fix

Removed unnecessary alias field from admin.
Merge branch 'zhcard_dev' into referral_fix
Merge branch 'zhcard_dev' of https://github.com/mwana/mwana into referral_fix