Fourth declensions/conjugations rewrite commit.... Almost there!

Functional: 
	The declensions setup screen
	The new declension data model
	saving declensions by dimensions per word
	enforcing mandatory declensions
	saving declensions to file
	translating old file formate into new
	reading new file format
Partially Functional
	the lexicon's declension screen (still needs deprecated declension functionality)
Nonfunctional: