removed old session-related code
Merge pull request #88 from jvoigtlaender/master

elaborated help texts a bit
Merge branch 'master' of github.com:zrho/afp
Use transparency only when moves are allowed, refs #33
Fix display of sunk ships, refs #87
Adjust legend resembling changes made by  last commit
Remove functions we don't need anymore, fixes #83
Added novice mode to rules
Offer hints about impossible positions, fixes #36
fixes #85
Rudimentary haddock documentation (#86).
Merge branch 'master' of github.com:zrho/afp

Conflicts:
	battleships/Handler/Rules.hs
Resolves #82: Dynamic SVG now inlined in HTML.
uncover enemy fleet when game ended (closes #63)
prevent water hits from becoming completely invisible over time (see #33)
Resolves #81. Maximum turns configurable via settings.yml; still part of the rules, since some pure game code depends on it.
all server specific paths are now set in settings.yml (closes #70)
sorry, forgot to update cabal-file to reflect new location of key.aes (#70)