Add new plugin SyncFileYouWant

Updating the plugin name from SyncFile to SyncFileYouWant according to suggestion
Add new plugin SyncFileYouWant

Not sure I have changed anything from #3801. I don't see any errors though... So I copied from other's text and refilled with my plugin details.
Rewrite the text

Not sure whether I have changed anything - just don't know why this has failed. Re-copied text from some other's and typed in again.
Removing the plus symbols...

Removing the plus symbols...
Update detail url

Since I am not quite seeing much change in this tool in the future - except a few changes to make it compatible to ST2 and other OSes, I don't see a good reason to create releases for this one. Instead, I am just referring to tree/master url to use commits as releases.
Merge pull request #3801 from Lanceshi2/patch-2

Add new plugin SyncFileYouWant