Rename field 'definition' into 'expression' in god directory
Rename field 'definition' into 'expression' in magic directory
Rename field 'definition' into 'expression' in scoring directory
Rename field 'definition' into 'expression' in challenge directory
Rename field 'definition' into 'expression' in qotd directory
Rename field 'definition' into 'expression' in quest directory
Rename field 'definition' into 'expression' in specialquest directory
Rename field 'definition' into 'expression' in interface directory
Rename field 'definition' into 'expression' in formulas_home template
Merge pull request #515 from Gabriel59/form

Rename formulas field 'definition' into 'expression'