File list (Check if you may need any files):
LED
...\.Xil-PlanAhead-3972-51266BE5C54B410
...\...................................\ngc2edif
...\...................................\........\ngc2edif.log
...\...................................\........\_xmsgs
...\...................................\........\......\ngc2edif.xmsgs
...\.Xil-PlanAhead-896-51266BE5C54B410
...\..................................\ngc2edif
...\..................................\........\ngc2edif.log
...\..................................\........\_xmsgs
...\..................................\........\......\ngc2edif.xmsgs
...\iseconfig
...\.........\LED.projectmgr
...\.........\led.xreport
...\led.bgn
...\led.bit
...\led.bld
...\led.cmd_log
...\led.drc
...\LED.gise
...\led.lso
...\led.ncd
...\led.ngc
...\led.ngd
...\led.ngr
...\led.pad
...\led.par
...\led.pcf
...\led.prj
...\led.ptwx
...\led.stx
...\led.syr
...\led.twr
...\led.twx
...\led.ucf
...\led.unroutes
...\led.ut
...\LED.v
...\LED.v.bak
...\LED.xise
...\led.xpi
...\led.xst
...\LED_bak.v
...\led_bitgen.xwbt
...\led_envsettings.html
...\led_guide.ncd
...\led_map.map
...\led_map.mrp
...\led_map.ncd
...\led_map.ngm
...\led_map.xrpt
...\led_ngdbuild.xrpt
...\led_pad.csv
...\led_pad.txt
...\led_par.xrpt
...\led_summary.html
...\led_summary.xml
...\led_usage.xml
...\led_xst.xrpt
...\pa.fromHdl.tcl
...\pa.fromNetlist.tcl
...\par_usage_statistics.html
...\planAhead.ngc2edif.log
...\planAhead_pid2352.debug
...\planAhead_pid3908.debug
...\planAhead_pid3972.debug
...\planAhead_pid544.debug
...\planAhead_pid896.debug
...\usage_statistics_webtalk.html
...\webtalk.log
...\webtalk_pn.xml
...\xlnx_auto_0_xdb
...\...............\cst.xbcd
...\xst
...\...\dump.xst
...\...\........\led.prj
...\...\projnav.tmp
...\...\work
...\...\....\work.sdbl
...\...\....\work.sdbx
...\_ngo
...\....\netlist.lst
...\_xmsgs
...\......\bitgen.xmsgs
...\......\map.xmsgs
...\......\ngdbuild.xmsgs
...\......\par.xmsgs
...\......\trce.xmsgs
...\......\xst.xmsgs