Added Kate backup file scheme to .gitignore for Kate users
itemdef: handle the !render-to-target case
tile: don't duplicate std::string::find_last_of
tile: remove redundant warning about failing render-to-target
mesh: warn only once about render-to-target not being supported
creative inventory: update to use default:fence_wood
server: /give: show the actual stackstring
Add descriptions to minetest.conf.example
Fix pointed.thing.ref -> pointed_thing.ref in builtin.lua
Add minetest.get_worldpath() for getting location for custom data
Merge pull request #46 from garrosh/master

Add *~ to .gitignore
Install icon and .desktop file on Unix systems
Add descriptions to command line arguments
Add UNIX man pages to aid package creators.
Merge remote-tracking branch 'jn/random-fixes'
Add dedicated_server_step setting
Move profiler measurements into inside of mutex locking for more useful results
Handle select errno EINTR properly (not doing this breaks at least many profilers)
Improve raillike drawtype
Digging time groups WIP