Infer filename from content-disposition or URL

The Content-Disposition inferring is probably a bad idea security wise,
so I am going to remove it.

tests/unittests/tools/stub_http_download.c

@@ -0,0 +1,28 @@
+#ifndef TOOLS_HTTP_DOWNLOAD_H
+#define TOOLS_HTTP_DOWNLOAD_H
+
+#include <curl/curl.h>
+#include <pthread.h>
+
+typedef struct prof_win_t ProfWin;
+
+typedef struct http_download_t {
+    char *url;
+    char *filename;
+    char *directory;
+    FILE *filehandle;
+    curl_off_t bytes_received;
+    ProfWin *window;
+    pthread_t worker;
+    int cancel;
+} HTTPDownload;
+
+
+void* http_file_get(void *userdata);
+
+void http_download_cancel_processes(ProfWin *window);
+void http_download_add_download(HTTPDownload *download);
+
+char *http_filename_from_url(const char *url);
+
+#endif