Add new rule

Thanks @Neo23x0

Add "EmiratesStatement" rule. Thanks @nyx0

Add https://github.com/gentilkiwi/mimikatz/blob/master/kiwi_passwords.yar

Updated Turla rules

Added OrcaRAT rule

Modified LinuxMrBlack rule

Added mirage rule

Added W32/Miancha rule

Added MACROCHECK rule

Added KeyBoy rules

Added Havex rules

Delete duplicated rules

Added flying kitten rules

Included minimum Yara version in README.md

If you try to use the rules with Yara 2.x, you get a non-meaningful error:
malware/Android_Malware.yar(6): error: syntax error, unexpected _IDENTIFIER_, expecting $end or _RULE_ or _PRIVATE_ or _GLOBAL_

Modified rule LinuxElknot
Commit: d39c1bf90d8e2adbbc32f295a2b0d89c4cfd7826
Thank you @Nyx0

Modified meta and conditions LinuxAESDDoS
commit: 02d7950cf9252f14dab229b000c451be1c08b6a2

thank you @nyx0

We modify Linux_BillGates rule.
Commit: d05b8f8bb655ce56a87ecb78f81f0b5426a039db
PR #7 from @nyx0

Add APT_DeputyDog
Commit:  b6994ffa563084d121b5d9e718583d9406e51f2c

Malware rules: https://github.com/Yara-Rules/rules/tree/master/malware

We add the rule FE_APT_9002 rule.
commit: df966a88c82d00d3eae4c6ad5c7ce2c579a113e0

Add apt_c16_win64_dropper from nyx0 PR
commit: 4c27043a07bedc86ab7665ff66e3a303a42bed44

Update Miscelanea_Linux.yar

Update malicious_document.yar

Add mwi_document rule

Update Miscelanea.yar

Add rules

Update Gholee.yar

New malware rules classification

New malware rules classification

News imports of possible anti-debug  api calls 

UnhandledExceptionFilter
RaiseException
FindWindowA

Detect OutDebugStringA API