Prepare PhantomJS 2.0 binaries with statically-linked libraries.

[macbre]

• https://github.com/bprodoehl/phantomjs/blob/master/deploy/Dockerfile
• https://gist.github.com/macbre/550e915c35f112677489

See #488 and #531

[macbre]

Prepared the following binary with statically-linked libraries (compiled using Docker running Ubuntu 14.04):

$ ldd phantomjs2-static 
    linux-vdso.so.1 (0x00007ffee9154000)
    libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f79f9c66000)
    librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f79f9a5e000)
    libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f79f9841000)
    libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f79f9536000)
    libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f79f9235000)
    libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f79f901f000)
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f79f8c76000)
    /lib64/ld-linux-x86-64.so.2 (0x00007f79f9e6a000)

$ ls -lh  phantomjs2-static 
-rwxr-xr-x 1 macbre macbre 94M lip  3 11:50 phantomjs2-static

$ cat /etc/debian_version 
8.1

https://github.com/macbre/phantomjs/releases/tag/2.0.0