New file types, new features

Added file types : cur,dat,ddf,dds,dll, gif, ini, jpg,json, log,
tga,ver, xml
Added features :
- explorer.php : allow browsing and viewing of lol extracted folder
(using dargon or other tool)
- indexer.php : index lol files (very basic) ( +- 40min full Lol on Win7
x64 4x2.6Ghz)
- search.php : search value in indexed files (very basic) (+- 45 s per
search)