Saves state for waiver & email_list, and more

1).  Adds configuration options to turn off waiver & email_list options
2).  Puts waiver in Connections/waiver.txt
3).  New MySQL waiver column added, receive_newsletter used for email_list.

Connections/database_functions.php

@@ -1,12 +1,20 @@
 <?php
 require_once('YBDB.php');
 
+// Allow waiver (recommended) in Add/Edit Contacts; 1 = yes, 0 = no
+// Waiver text may be modified in Connections/waiver.txt
+define("WAIVER", 1);
+
+// Allow email_list option in Add/Edit Contacts; 1 = yes, 0 = no 
+define("EMAIL_LIST", 1);
+
 // User defined constants - read sql/populate.sql for an explanation
 define("STORAGE_PERIOD", 14);
 define("ACCOUNTING_GROUP", "Sales");
 define("DEFAULT_TRANSACTION_TYPE", "Sale - Used Parts");
 define("DEFAULT_SHOP_USER", "Volunteer");
 
+
 /* Change Fund - A specific amount of money for the purpose of making change. 
    The amount on hand should remain the same at all times; 
    therefore a change funds does not require replenishment.

Connections/waiver.txt

@@ -0,0 +1,16 @@
+				  I, and my heirs, in consideration of my participation in the Positive Spin Community 
+				  Bike Project's Open Workshop hereby release Positive Spin,
+				  its officers, employees and agents, and any other people officially connected with this 
+				  organization, from any and all liability for damage to or loss of personal
+				  property, sickness, or injury from whatever source, legal entanglements, imprisonment, 
+				  death, or loss of money, which might occur while participating in said event/activity/class.
+				  Specifically, I release Positive Spin from any liability or 
+				  responsibility for my personal well-being, condition of tools and equipment provided 
+				  and produced thereof, including, but not limited to, bicycles and modes of transportation 
+				  produced by participants. The Positive Spin Community Bike Project is a working, 
+				  mechanical environment and I am aware of the risks of participation. I hereby state 
+				  that I am in sufficient physical condition to accept a rigorous level of physical 
+				  activity and exertion, as is sometimes the case when working in a mechanical environment. 
+				  I understand that participation in this program is strickly voluntary and I 
+				  freely chose to participate. I understand Positive Spin does not provide medical coverage for me. 
+				  I verify that I will be responsible  for any medical costs I incur as a result of my participation.