Support yespower0.5

• Support yespower0.5
• Rebase libcpuminer
• Fix x86 crash bug
• Support NDK r17b

Signature has changed. Uninstall old version before install this.

Support AAR library

• standard: Lollipop or later (processor affinity enabled)
• kitkat: KitKat or later (processor affinity disabled)

Support multiple archtectures

• Lollipop (SDK21) and later supports armeabi-v7a, arm64-v8a, x86, x86_64
• KitKat (SDK19) supports armeabi-v7a, x86

The difference is affinity support. Note that arm64-v8a, x86, x86_64 are not tested.

Support number of threads

Merge pull request #13 from OttyLab/support-t-option

Support t option

v0.5.0: Merge pull request #11 from OttyLab/fix-height

Fix height