first version of Makefile for compiling tincd from source
change git protocol from git:// to http://
fixed a bug in clean rule of Makefile and fixed script bug in clean rule
add rule install to Makefile
add some more debug output
intruduce basic logging feature - correct order of tinc compilation
extend logging feature and checksum computation
add support for prerequisite check for required programs
use var ANDROID_NDK for installed or user provided NDK
output version of tinc