(UPDATE) JDK8 armv7l binary.

Fix libpng url

Fixes #233 

skip tests because at least one test wants to write to /

add unzip package

(UPDATE) README - Remove "Does not support arm chipsets yet" and replace with a table.

Added sha256 of arm ruby to install.sh script

(UPDATE) Nano to 2.7.1

(UPDATE/FIX) JDK8

(UPDATE) GO to 1.7.4

(UPDATE) HTOP to 2.0.2

(UPDATE) NGINX Change stopnginx to run "sudo nginx -s quit" instead of "sudo pkill nginx"

(FIX) Checksum Mismatch on PCRE