Added autoconf/automake support.
This way we can check for required dependencies and minimum versions.
No functional changes have been done to the Makefile yet.
Added copyright header.
Added information about autogen.sh and configure.
Updated check for go1.1
Need to check one version before required.
Merge pull request #38 from fancycode/autoconf

Added autoconf/automake support.
Merge with upstream, move changes to Makefile.am.