* liboqs crosscompiles for android
* andriod compilation cleanup
* andriod compilation cleanup wip
* cc working, TODO: merge back what was removed..
* put back error output
* renamed android-build.sh to configure-android
* android compilation done
* removed the use of generic SIDH implementation if optimizied version was available
* added correct CFLAGS for android
* added ARM64 assembly optimizations for sidh
* sidh arm assembly opitimizations wip
* ARM64 optimimizations for SIDH done
* added android build documentation
* fixed prettyprint issue
* removed asm opimizations for darwin
