Move all the motors stuff into a saner namespace

Letting the mechanical engineers name software is never a good idea...

Change-Id: I5d0e43d84a8f45693435472cc0e5e288f6190b14
diff --git a/motors/algorithms.cc b/motors/algorithms.cc
index 1d655ef..6edb532 100644
--- a/motors/algorithms.cc
+++ b/motors/algorithms.cc
@@ -1,7 +1,7 @@
 #include "motors/algorithms.h"
 
 namespace frc971 {
-namespace salsa {
+namespace motors {
 
 BalancedReadings BalanceReadings(const ReadingsToBalance to_balance) {
   // TODO(Brian): Get rid of the floating point divides.
@@ -46,5 +46,5 @@
   return result;
 }
 
-}  // namespace salsa
+}  // namespace motors
 }  // namespace frc971