Add separate header-files for each page/view

Yet another step towards removing cgit.h.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

cgit.h

@@ -269,23 +269,6 @@ extern void cgit_print_docstart(struct cgit_context *ctx);
 extern void cgit_print_docend();
 extern void cgit_print_pageheader(struct cgit_context *ctx);
 extern void cgit_print_filemode(unsigned short mode);
-extern void cgit_print_branches(int maxcount);
-extern void cgit_print_tags(int maxcount);
-
-extern void cgit_print_repolist();
-extern void cgit_print_summary();
-extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep,
-			   char *pattern, char *path, int pager);
-extern void cgit_print_blob(const char *hex, char *path);
-extern void cgit_print_tree(const char *rev, char *path);
-extern void cgit_print_commit(char *hex);
-extern void cgit_print_refs();
-extern void cgit_print_tag(char *revname);
-extern void cgit_print_diff(const char *new_hex, const char *old_hex, const char *prefix);
-extern void cgit_print_patch(char *hex);
-extern void cgit_print_snapshot(const char *head, const char *hex,
-				const char *prefix, const char *filename,
-				int snapshot);
 extern void cgit_print_snapshot_links(const char *repo, const char *head,
 				      const char *hex, int snapshots);
 extern int cgit_parse_snapshots_mask(const char *str);