Adds "Release Notes/Known Bugs" to Changelog, updates file format to markdown, standardizes the format of previous entries

Per a request to have initial release notes that specifically listed known issues for this PE 3.2 release, and barred by time constraints from automating a pull from open issues in JIRA, this commit adds a Release Note and Known Bug section to the Changelog for the imminent 3.2 release. As it will display on the Forge, updates file type to markdown and standardizes previous entries. Adds template for release notes to be filled in later.
Merge pull request #87 from laurenrother/1.0.x

Adds "Release Notes/Known Bugs" to Changelog, updates file format to markdown, standardizes the format of previous entries
Add AIX and remove fields copied from Modulefile.
Merge pull request #88 from apenney/metadata

Add AIX and remove fields copied from Modulefile.
Prepare supported module 1.0.3.
Merge pull request #89 from apenney/102-supported

Prepare supported module 1.0.3.
Add missing fields back to work around Puppet bug.
Merge pull request #90 from apenney/last-minute-metadata-fix

Add missing fields back to work around Puppet bug.
Add quote_char parameter to the ini_subsetting resource type

The quote_char is used to quote the entire setting when it is modified
as a result of changes to some subsettings.

For an example let's assume we have a setting of this form:
  JAVA_ARGS=-Xmx256m
and we want to add the '-Xms' parameter to the setting, for that purpose
we define a resource like this:
  ini_subsetting { '-Xms':
    ensure     => present,
    path       => '/some/config/file',
    section    => '',
    setting    => 'JAVA_ARGS',
    subsetting => '-Xms'
    value      => '256m',
  }
which results into the following setting:
  JAVA_ARGS=-Xmx256m -Xms256m
But this is not what we intended - if this setting is read by the bash
shell the '-Xms256m' parameter is interpreted as a command to be
executed rather than a value to be assigned to the JAVA_ARGS variable.

To fix this problem the quote_char parameter was added to the
ini_subsetting resource type, and we'll take advantage of it to fix the
problem in the above example like so:
  ini_subsetting { '-Xms':
    ensure     => present,
    path       => '/some/config/file',
    section    => '',
    setting    => 'JAVA_ARGS',
    quote_char => '"',
    subsetting => '-Xms'
    value      => '256m',
  }
which will result into:
  JAVA_ARGS="-Xmx256m -Xms256m"
which is what we intended.
Tests for the quote_char parameter.
Merge branch '1.0.x' into 10xmerge
Merge pull request #96 from apenney/10xmerge

10xmerge
Add RHEL7 and Ubuntu 14.04 support.
Merge pull request #97 from apenney/add-platforms

Add RHEL7 and Ubuntu 14.04 support.
Merge pull request #95 from mruzicka/feature/master/quote-char-parameter-for-subsetting

Add quote_char parameter to the ini_subsetting resource type
Quick typo fix.
Merge pull request #99 from apenney/typo-fix

Quick typo fix.