Check for '/r/' and add it if it is not included

This code does a quick check for '/r/' on the front of the subreddit
name. If it is not included, then it is added automatically. This is not
done for the special case '/', which coresponds to the front page.
Merge pull request #30 from DSMan195276/prepend-on-subreddit

Check for '/r/' and add it if it is not included
Add 'src' directory

This small commit does a little more restructuring of the program in
preperation for some more additions. Right now, all that happens is
'main.c' is moved into 'src' and a new .mk file is added inside of the
src directory. Eventually, 'src' will also contain any other C files
used for the cReddit main executable.
Merge pull request #31 from DSMan195276/src-dir

Patch to add a 'src' directory.
libreddit: Strip unneeded symbols

This patch adds functionality to the Makefile to use objcopy to restrict
the symbols inside of libreddit.a. Internally, functions which are used
across files in libreddit are defined as global. That can create
unexpected symbol conflicts. This patch uses objcopy with a list of
symbols to leave global, and objcopy takes care of localizing the rest
of the functions.
Merge pull request #32 from DSMan195276/strip-unneeded-symbols

Strip unneeded symbols from libreddit
Merge from upstream/reddit-api