CC3200 fixes

Increase heap size to 44K (13K free after init)
Add File.list() support
Fix a bunch of bugs in file support
Disable sys_init.js, there just isn't enough RAM...

PUBLISHED_FROM=2121b8758f0596da39c3eafcfff36337a1b90b74

mongoose.h

@@ -555,6 +555,22 @@ int gettimeofday(struct timeval *t, void *tz);
 
 long int random(void);
 
+#ifdef CC3200_ENABLE_SPIFFS
+#include <common/spiffs/spiffs.h>
+
+typedef struct {
+  spiffs_DIR dh;
+  struct spiffs_dirent de;
+} DIR;
+
+#define d_name name
+#define dirent spiffs_dirent
+
+DIR *opendir(const char *dir_name);
+int closedir(DIR *dir);
+struct dirent *readdir(DIR *dir);
+#endif
+
 #endif /* CS_PLATFORM == CS_P_CC3200 */
 #endif /* CS_COMMON_PLATFORMS_PLATFORM_CC3200_H_ */
 /*