Login feature v1.0

Imported js module:
Crypto-js (SHA1)

Imported Global.asax:
Redirect to Login page when not signed in.

Database Policy (Recheck here):
Direct connectionStrings connection in ashx as temporary solution.
TODO: Use LinQ

User need to login before other operations now.
Password is SHA-1 hashed.

Qusetion:
I've added aspx functions inside html files(header.html), is that fine?

Conflicts:
	RGDZY.csproj
	Web.config