Removed old code in call to addFragment().
Modified code in PostHolder for use of multiple feeds.
Removed old constructor in PostHolder as it is no longer used (data
pulls from class Feed).
Added setSubReddit() function to PostHolder to allow for parsing
multiple feeds from class Feed.
Resolving error with .gitignore file.
Merge branch 'master' of https://github.com/mastash3ff/Software-Engineering