Issue #6.  Adding load from url feature.
Renaming cask_title to requested_cask for clarity.
Merge branch 'master' into cask-strategy

* master: (75 commits)
  Update Shuttle from version 1.1.1 to 1.1.2
  no version but latest
  OSX port of the awesome gqrx SDR software
  SdrDx – OS X and Windows SDR Software
  Updates version for LibreOffice to 4.1
  Adds cask for Simon.app
  DSP Radio - Software Defined Radio for Mac OS X
  CuteSdr, the QT based SDR project from RF-Space.
  Updated to Zotero 4.0.9
  add maratis 3.21
  updated xld to 20130720
  Rename HexFiend.rb to hexfiend.rb
  Add latest Hex Fiend.
  Add AeroFS cask
  Update link option.
  Add cask for MongoHub (https://github.com/fotonauts/MongoHub-Mac)
  Add cask for Robomongo (http://robomongo.org)
  Add cask for MongoHub (https://github.com/fotonauts/MongoHub-Mac)
  Adding 'Google Earth'.
  Add link to OpenOffice
  ...
Fixing test file url
Simplifying uri source validation.
New cask: omni-graffle-standard

New cask: omni-graffle-standard
As omni-graffle is the pro version, requiring a different
license, omni-graffle-standard installs the standard
version of the omni-graffle software.
Fixed uri in test case
Added extention to omni-graffle-standard link

Added extention to omni-graffle-standard link
Merge pull request #870 from NanoXD/master

Update VLC to 2.0.8
ZTerm is a terminal emulation program for the Macintosh
Merge pull request #871 from xyb/zterm

ZTerm is a terminal emulation program for the Macintosh
CoolTerm is a simple serial port terminal application
Add QuickCast cask
Merge pull request #873 from NanoXD/quickcast

Add QuickCast cask
Merge pull request #846 from derphilipp/omni-graffle-standard

New cask: omni-graffle-standard
Update and rename OmniGraffle Professional

Due to #846, the existing omni-graffle cask must be renamed to OmniGraffle Pro
fix checksum
Merge pull request #872 from xyb/coolterm

CoolTerm is a simple serial port terminal application
Added Komodo Edit 8
Merge pull request #874 from shsu/new-cask

Added Komodo Edit 8