Squashed commit of the following:

commit c5a0f2526f9414ad4a8f5bd84c8565911801e245
Author: Nick Holub <nikholub@gmail.com>
Date:   Thu Mar 6 12:28:44 2014 -0800

    fix #MLHR-864 Installer - Handling Hadoop Not Found

commit 3d8db770d32516c7d717590e2eafa354cf784419
Author: Nick Holub <nikholub@gmail.com>
Date:   Thu Mar 6 11:36:22 2014 -0800

    fix #MLHR-864 Installer - Handling Hadoop Not Found
Merge pull request #754 from nickholub/inst8_pull

Installer - Updating Hadoop Location
Squashed commit of the following:

commit f03915717db5252f93aec830a927c2ab7d5f4733
Author: Nick Holub <nikholub@gmail.com>
Date:   Thu Mar 6 14:18:43 2014 -0800

    fix #MLHR-858 Installer - Gateway Restart

commit 30ed81acfa83d2247133aeac9ccd5947ca0b4744
Author: Nick Holub <nikholub@gmail.com>
Date:   Thu Mar 6 13:10:44 2014 -0800

    fix #MLHR-903 Installer - WebSocket DataSource Disconnect
Merge pull request #756 from nickholub/inst9_pull

Installer - Restart Gateway from Summary View