Ensure installation directory is available

To avoid  the below error and to ensure that installation directory is
available , it's possible that user can specify the directory that
doesn't exists and expect the module to do it when needed. This change
takes care of it.

Could not retrieve catalog from remote server: Error 400 on SERVER:
Syntax error at '}'; expected ']' at
/etc/puppetlabs/puppet/modules/jdk_oracle/manifests/init.pp:103 on node
Revert "Ensure installation directory is available"

This reverts commit cb558e16cc30faac55c9db6254d2fcbbd93ce5b7.
"Ensure installation directory is available""

To avoid  the below error and to ensure that installation directory is
available , it's possible that user can specify the directory that
doesn't exists and expect the module to do it when needed. This change
takes care of it.

change from notrun to 0 failed: Working directory '/usr/java' does not
exist
Fixing build error

Fixing the build report syntax style check errors
https://travis-ci.org/tylerwalts/puppet-jdk_oracle/jobs/32031529
Merge branch 'master' of https://github.com/madhusudhanane/puppet-jdk_oracle into madhusudhanane-master
Create the installation directory, if it is not already defined.
Merge branch 'madhusudhanane-master'