Add backdoor and exploit searching.
Add backdoor and exploit searching.

This commit fixes backdoor and exploit searching and also adds the tabs
for them to the search results.

lakiw/cripts,jinverar/crits,cfossace/crits,korrosivesec/crits,DukeOfHazard/crits,jinverar/crits,ckane/crits,blaquee/crits,Lambdanaut/crits,korrosivesec/crits,kaoscoach/crits,0x3a/crits,korrosivesec/crits,0x3a/crits,0x3a/crits,dreardon/crits,Magicked/crits,HardlyHaki/crits,cfossace/crits,dreardon/crits,HardlyHaki/crits,Magicked/crits,cdorer/crits,cfossace/crits,DukeOfHazard/crits,HardlyHaki/crits,kaoscoach/crits,HardlyHaki/crits,blaquee/crits,lakiw/cripts,korrosivesec/crits,jinverar/crits,cdorer/crits,jhuapl-marti/marti,0x3a/crits,Lambdanaut/crits,blaquee/crits,cfossace/crits,lakiw/cripts,lakiw/cripts,DukeOfHazard/crits,cdorer/crits,blaquee/crits,dreardon/crits,kaoscoach/crits,ckane/crits,jhuapl-marti/marti,jhuapl-marti/marti,DukeOfHazard/crits,Magicked/crits,kaoscoach/crits,cdorer/crits,Magicked/crits,jhuapl-marti/marti,Lambdanaut/crits,ckane/crits,ckane/crits,Lambdanaut/crits,dreardon/crits,jinverar/crits