Add libmountpoint library
libloki-jni: Fix Android.mk
build.gradle.in: gradle doesn't support compiling multiple JNI libraries
libmountpoint: Build for all architectures
libmountpoint: Fix uninitialized value warning
libmountpoint.h: Add some logging facilities
libmountpoint: Add *mntent functions from uClibc because bionic doesn't have them
Add uClibc license
libmountpoint: Need to add mntent.c to the sources
libmountpoint: Get partition size information from statvfs()
Add feature for checking the free space on partitions