fix small map uploading issue
paging in gallery
fix 125, minimap as a thumbnail for map in gallery(old thumbnail is still saved for future usage; still using normal thumbnail for manually added Item's screenshots
support search by mapHash in search function
do not create thumbnail anymore when uploading a map
fix #124; Tournament replays
fix map API: download map with spaces in name
fix clearDB.php
support desert RA maps
add filter by 'desert' maps
enable CORS

required for https://github.com/OpenRA/OpenRAWeb/pull/9
Merge pull request #2 from Mailaender/patch-1

enable CORS
Merge pull request #137 from ihptru/master

update