Add a better link to lua-mode in the README

Instead of linking to EmacsWiki it is more helpful to link directly to
the website for lua-mode itself.  This patch also removes the
incorrect statement that lua-mode comes with GNU Emacs; it does not.
Implement and document love/search-forums

This provides the love/search-forums function and binds it to the keys
‘C-c C-f’, allowing users to search the official forums from Emacs.
Add ‘Search Forums’ to the command menu
Merge branch 'search-forums'

* search-forums:
  Add ‘Search Forums’ to the command menu
  Implement and document love/search-forums
Change the key-bindings to avoid conflicts with lua-mode

No key commands in lua-mode begin with ‘C-c C-o’ so this patch changes
love-minor-mode to use that prefix.  This fixs the conflict over ‘C-c
C-f’ and hopefully will prevent future conflicts.
Link directly to the license from inside the README
Bump the version to 1.1

This latest version includes the ability to search the LÖVE forums and
fixes conflicts with the key-bindings in lua-mode.