Added package def for wget.

I was running into the same error as listed in this fork
https://github.com/schrepfler/puppet-jdk_oracle/issues/1

Followed the suggestion of adding
package { 'wget':
  ensure => present,
}

I am installing on Ubuntu 13.10.
#19 - Added wget package if not already defined.
Create the installation directory, if it is not already defined.
# This is a combination of 11 commits.
# The first commit's message is:
#3 - Adding parameters for version update and build values.

# This is the 2nd commit message:

Fixed conditional syntax

# This is the 3rd commit message:

Lint updates

# This is the 4th commit message:

Updated tests & linting

# This is the 5th commit message:

More test and syntax fixes

# This is the 6th commit message:

Linting and test updates to fix deprecation warnings

# This is the 7th commit message:

Update rspec config

# This is the 8th commit message:

Typo fix

# This is the 9th commit message:

Fix parsing errors

# This is the 10th commit message:

Update rspec tests

# This is the 11th commit message:

Fixed typo
Issue #3 - Added version update and build parameters to support installing specific versions of Oracle JDK.  Updated rspec test and linted code syntax.
Allow the cache source to be configurable (from rrudduck)
Updated README and Modulefile to include new version and update/build parameters.
Converted Modulefile to metadata.json
Removed empty dependencies list
Added back Modulefile, to work with Travis CI
Updated metadata to match Modulefile