Clarifies where to find the releases

Resolves issue #644
Upgrade puppetlabs-inifile to Release 1.1.1

This supported bugfix release corrects the inifile section header detection regex (so you can use more characters in your section titles).

More details: https://github.com/puppetlabs/puppetlabs-inifile/pull/115
Merge pull request #648 from johnsyweb/upgrade-inifile-1.1.1

Upgrade puppetlabs-inifile to Release 1.1.1
Merge pull request #645 from spuder/patch-1

Clarifies where to find the releases
Add Ruby 2.1.2 to the README
Merge pull request #656 from adamnbowen/patch-2

Add Ruby 2.1.2 to the README
Typo
Merge pull request #658 from gfestari/typo

Typo
Update versions of some software
Merge branch 'gh_master'

Conflicts:
	Puppetfile
	Puppetfile.lock
Update more software
Add VisualVM installation