fix typo
update openssl dep to fix ndk r8d bug
make File(File, String) use java.io.File as arg since only the path is needed

This makes info.guardianproject.iocipher.File more compatible with existing
java.io.File calls.  BUT it could also make it too easy for people to get
confused because they are applying the system's directory hierarchy to the
VFS's.
get Android log fix for libsqlfs submodule
set first release version: 0.1 build 1
updated native Makefile to work with 64-bit NDK in r8e
added description and request for usage reports to README
clean up external/Makefile and set NDK_TOOLCHAIN by ndk-build's definition
fixing typo in Makefile (extra colon)
fix NDK_UNAME to work more consistently by using Makefile exec, not sh exec

(:= is valid syntax in a Makefile)
update libsqlfs to get sqlfscat and sqlfsls
automatically build executable 'sqlfscat' for and

It is dynamically linked against libiocipher.so, so to use it you might
need to set LD_LIBRARY_PATH to include the path to the app's libs/ folder.
sqlfscat also needs to link against OpenSSL's libcrypto
Application.mk: Use latest toolchain version, 4.7