fix minor bug
install is in debug nox for displaying helpfull error messages
Merge pull request #393 from lunika/minorFix

fix minor bug
test variable before using it
Merge pull request #394 from lunika/install

Install
reorder the {module_include location='customer_list_header'} in the template customers after firstname and lastname like the body of the table

add {module_include location='customer_list_header'} in the template search.html because there was only the line
{module_include location='customer_list_row'} in the body of the table
Added delivery country condition
Fix:  save condition button should be hidden after adding condition
Added country condition
Very minor improvement on conditions evaluation
Removed duplicate condition
Fixed Equals and No Equals labels
Implemented  getDeliveryAddress()
Changed coupon condition parameter variables name
Improved error message
Changed condition parameter names
Changed condition parameter name
Changed condition parameter name
Changed condition parameter name
Changed name