Make text appear in GUI console, Zip install works.

Move TW zip install code to C++ so that it can use the
ui->functions.
Bring in mincrypt code to fix a crash during signature
checking.
diff --git a/gui/action.cpp b/gui/action.cpp
index 3e19a61..a1f7dd3 100644
--- a/gui/action.cpp
+++ b/gui/action.cpp
@@ -28,7 +28,9 @@
 #include "../recovery_ui.h"
 #include "../extra-functions.h"
 #include "../variables.h"
+#include "../twinstall.h"
 
+int TWinstall_zip(const char* path, int* wipe_cache);
 void fix_perms();
 void wipe_dalvik_cache(void);
 int check_backup_name(int show_error);
@@ -656,6 +658,7 @@
 					ui_print("TWRP injection complete.\n");
 				}
 			}
+			PartitionManager.Update_System_Details();
 			operation_end(ret_val, simulate);
             return 0;
         }