Add Receipt generate/print functionality to other places

I moved first point '1. Terms & Conditions when a new client is set up' to separate ticket

Discussed during Feature Prioritization on 9/6/2012 - awaiting additional feedback on templates that should be uploaded at these stages of workflow.

Added in commits: 1fe24e7a0be1fc315f98c32cc8f4e60bc8c21fad, 37286a476746f66fe4e655f3a3d6786b6c1f4ff2,
6fa3cfc6393588d39e3758ed6a6a2e1085b43ac9
_{Build number: head-master-commit-#1256}

Now, it is possible to generate/print receipts in the following cases:

1. Loan Agreement for each loan
2. Details of the account
3. Apply Payment

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