Some fixes
* theme URL is not displayed if it's set to null
* theme URL is displayed in separate line
* fixed sandstone type for paths
* changed version to 1.1
Added modelpos command
Updated commands
Limited theme name length
Players can teleport to their plots
* added /theme toplot
Players can reset their plots
* added /theme resetplot
Added tools to place water, lava and fire
Merge pull request #16 from Ivan1pl/master

Some fixes