Added MarkNSFW and UnmarkNSFW methods to Post class

Simple.
Reduce duplicate code
Merge pull request #113 from YMIndustries/master

Added MarkNSFW and UnmarkNSFW methods to Post class
Added GetTop method to Subreddit class

Accepts a FromTime enum from RedditUser as an argument.
Update test
Generic test
Remove commented out lines

Oops
Merge pull request #114 from YMIndustries/master

Added GetTop method to Subreddit class
Upgrade projects to latest .Net framework
Refactor all logic out of thing c'tors and into Init funcs
Add async initialization for all things
Downgrade to .Net 4.5 for Mono compatibility
Merge pull request #117 from odedw/master

Adding async API to RedditSharp
Merge branch 'master' of https://github.com/SirCmpwn/RedditSharp