MyCyma

[fix] corrected language display in user view

[evol] language can be forced in the user admin page (closes #6) (no user interface yet)

[evol] an artwork can have multiple materials

[fix] renamed 'technique' into more appropriate name 'artwork_support', and update schema and translations (Closes #4)

[evol] created a simple logon system, protected admin pages, and added a logon indicator/link (no user management yet, only a deadend entry in the menu if admin)

[fix] corrected typo (closes #2)

[fix] don't call the final artwork image a 'step', and use italic characters

[lang] updated french translation and french application title

Initial version