Askat function is optimized adn inserted into java-wrapper, minor
correction to java code fixing SnpEff class related issue.
Reversed certain changes amde for testing purposes.
Merge branch 'master' of https://github.com/pcingola/Askat
Corrections related to the davies function performance. Chanfged
accuracy from 10^(-6) tp 10^(-9) in askat.r
Added a new option, -pACC <double> : Accuracy parameter for the p-value
computation, default is 1e-9."