Revert "changes to make it compile on mac"
moved this to a new branch

This reverts commit f6a0b43082226d3e01e0a070a3e4c4fa6d5ed2ee.
reordered build bits to fix errors
changed the name from sync to syncd
cleaned up version control
fixed json-c and curl references. re-added syncd dependencies
fixed dropbox case; fixed deletes; added libuv based file plugin; cleaned up a bunch of stuff
Fixed some reverse logic in dropbox. This fixes the dropbox plugin.
Added changes to make dropbox authorize in a browser instead of just giving a link.
merged latest changes form automake0 made changes for forking to work