updated most things to work on Wheezy

I haven't done the new opencv packages yet, so I just didn't test
compiling that stuff.

Almost all of the changes were related to user-defined string literals
breaking things like "%"PRIu32" (in our code and other people's).
diff --git a/aos/common/sensors/sensor_receiver-tmpl.h b/aos/common/sensors/sensor_receiver-tmpl.h
index 2220496..8ebef22 100644
--- a/aos/common/sensors/sensor_receiver-tmpl.h
+++ b/aos/common/sensors/sensor_receiver-tmpl.h
@@ -71,7 +71,8 @@
       }
 #endif
     } else {
-      LOG(INFO, "packet %"PRId32" late. is packet #%d, wanted #%"PRId64" now\n",
+      LOG(INFO,
+          "packet %" PRId32 " late. is packet #%d, wanted #%" PRId64 " now\n",
           data_.count, (data_.count - start_count_) / kSendsPerCycle,
           (NextLoopTime() - start_time_).ToNSec() / kLoopFrequency.ToNSec());
       good = false;
@@ -163,8 +164,8 @@
         ReceiveData();
         received_time = time::Time::Now();
         if (GoodPacket()) {
-          LOG(DEBUG, "checking packet count=%"PRId32
-              " received at %"PRId32"s%"PRId32"ns\n",
+          LOG(DEBUG, "checking packet count=%" PRId32
+              " received at %" PRId32 "s%" PRId32 "ns\n",
               data_.count, received_time.sec(), received_time.nsec());
           // If |the difference between the goal time for this numbered packet
           // and the time we actually got this one| is too big.
@@ -172,7 +173,8 @@
                 kSensorSendFrequency * (data_.count - start_count_)) -
                received_time).abs() > kSensorSendFrequency) {
             LOG(INFO, "rejected time of the last good packet. "
-                "got %"PRId32"s%"PRId32"ns. wanted %"PRId32"s%"PRId32"ns\n",
+                "got %" PRId32 "s%" PRId32 "ns."
+                " wanted %" PRId32 "s%" PRId32 "ns\n",
                 received_time.sec(), received_time.nsec(),
                 goal_time.sec(), goal_time.nsec());
             ++bad_count;
@@ -199,18 +201,18 @@
   DoReceiveData();
 
   if (data_.count < 0) {
-    LOG(FATAL, "data count overflowed. currently %"PRId32"\n", data_.count);
+    LOG(FATAL, "data count overflowed. currently %" PRId32 "\n", data_.count);
   }
   if (data_.count < old_count) {
-    LOG(INFO, "count reset. was %"PRId32", now %"PRId32"\n",
+    LOG(INFO, "count reset. was %" PRId32 ", now %" PRId32 "\n",
         old_count, data_.count);
     return true;
   }
   if (data_.count < start_count_) {
-    LOG(INFO, "count reset. started at %"PRId32", now %"PRId32"\n",
+    LOG(INFO, "count reset. started at %" PRId32 ", now %" PRId32 "\n",
         start_count_, data_.count);
   }
-  LOG(DEBUG, "received data count %"PRId32"\n", data_.count);
+  LOG(DEBUG, "received data count %" PRId32 "\n", data_.count);
   return false;
 }
 
diff --git a/aos/common/sensors/sensors.h b/aos/common/sensors/sensors.h
index a6b2bfa..78fd8a9 100644
--- a/aos/common/sensors/sensors.h
+++ b/aos/common/sensors/sensors.h
@@ -69,7 +69,7 @@
                                           sizeof(checksum),
                                           sizeof(*this) - sizeof(checksum));
     if (checksum != expected) {
-      LOG(INFO, "expected %"PRIx32" but got %"PRIx32"\n",
+      LOG(INFO, "expected %" PRIx32 " but got %" PRIx32 "\n",
           expected, checksum);
       return false;
     }