waf: ardupilotwaf: rename vehicle_stlib to ap_stlib

That function is not only for vehicles.

APMrover2/wscript

@@ -5,7 +5,7 @@ import ardupilotwaf
 
 def build(bld):
     vehicle = bld.path.name
-    ardupilotwaf.vehicle_stlib(
+    ardupilotwaf.ap_stlib(
         bld,
         name=vehicle + '_libs',
         vehicle=vehicle,

AntennaTracker/wscript

@@ -5,7 +5,7 @@ import ardupilotwaf
 
 def build(bld):
     vehicle = bld.path.name
-    ardupilotwaf.vehicle_stlib(
+    ardupilotwaf.ap_stlib(
         bld,
         name=vehicle + '_libs',
         vehicle=vehicle,

ArduCopter/wscript

@@ -5,7 +5,7 @@ import ardupilotwaf
 
 def build(bld):
     vehicle = bld.path.name
-    ardupilotwaf.vehicle_stlib(
+    ardupilotwaf.ap_stlib(
         bld,
         name=vehicle + '_libs',
         vehicle=vehicle,

ArduPlane/wscript

@@ -5,7 +5,7 @@ import ardupilotwaf
 
 def build(bld):
     vehicle = bld.path.name
-    ardupilotwaf.vehicle_stlib(
+    ardupilotwaf.ap_stlib(
         bld,
         name=vehicle + '_libs',
         vehicle=vehicle,

Tools/ardupilotwaf/ardupilotwaf.py

@@ -124,13 +124,13 @@ def common_features(bld):
         features.append('static_linking')
     return features
 
-def vehicle_stlib(bld, **kw):
+def ap_stlib(bld, **kw):
     if 'name' not in kw:
-        bld.fatal('Missing name for vehicle_stlib')
+        bld.fatal('Missing name for ap_stlib')
     if 'vehicle' not in kw:
-        bld.fatal('Missing vehicle for vehicle_stlib')
+        bld.fatal('Missing vehicle for ap_stlib')
     if 'libraries' not in kw:
-        bld.fatal('Missing libraries for vehicle_stlib')
+        bld.fatal('Missing libraries for ap_stlib')
 
     sources = []
     libraries = kw['libraries'] + bld.env.AP_LIBRARIES

wscript

@@ -137,7 +137,7 @@ def build(bld):
     # the tools and examples. This is the first step until the
     # dependency on the vehicles is reduced. Later we may consider
     # split into smaller pieces with well defined boundaries.
-    ardupilotwaf.vehicle_stlib(
+    ardupilotwaf.ap_stlib(
         bld,
         name='ap',
         vehicle='UNKNOWN',