fountains are bright blue - idea from SporkHack

https://github.com/Bulwersator/CopyOfSporkHack/commit/61b0d41fac692b0c84b99414f16f23217fd08d0f
interface improvement

check label before opening tin, reading label is remembered and
identificates contents, stop asking about identified items, non-evil
behaviour during illiteracy conduct
Random elven names are now generated by function

Random elven names are now generated by function elf_name()

Idea from SporkHack

https://github.com/Bulwersator/CopyOfSporkHack/commit/c060e00fdf7507da62106a997f09e83d2d564ebb
refactor reading runed objects