renaming Alpha

The bulk update request #118 has been approved by @iamtakingiteasy.

mass update alpha_1918 -> alpha_(alpha_1918)
create implication alpha_1918 -> alpha_(alpha_1918)

Alpha 1918 is the group, Alpha is her actual name.

The bulk update request #118 (forum #245) has been approved by @iamtakingiteasy.