Interface improvements and bump to v0.10.0

- Give window tab and statusbar a make over
- Place window tab above input field
- Reduce input field to one square in height
- Refactor window tab so that it's now a subwin of its parent ToxWindow
- Fix bug causing notification counter to sometimes increment by 2
- No longer scroll on output when output is not at bottom of screen
- Show a small indicator on far left of window tab when output is
  not at bottom of screen
- Reduce ncurses/UI thread sleep time by half
- Handle nanosleep errors better

src/friendlist.h

@@ -82,6 +82,7 @@ typedef struct {
 } FriendsList;
 
 ToxWindow *new_friendlist(void);
+void friendlist_onInit(ToxWindow *self, Tox *m);
 void disable_chatwin(uint32_t f_num);
 int get_friendnum(uint8_t *name);
 int load_blocklist(char *data);