Update slapos.cookbook version in LAMP stack.

stack/lamp/buildout.cfg

@@ -326,7 +326,7 @@ netaddr = 0.7.10
 pycrypto = 2.6
 pytz = 2013b
 rdiff-backup = 1.0.5
-slapos.cookbook = 0.76.0
+slapos.cookbook = 0.78.0
 slapos.recipe.build = 0.11.6
 slapos.recipe.download = 1.0.dev-r4053
 slapos.recipe.template = 2.4.2
@@ -368,7 +368,7 @@ pyflakes = 0.6.1
 
 # Required by:
 # hexagonit.recipe.download==1.6nxd002
-# slapos.cookbook==0.76.0
+# slapos.cookbook==0.78.0
 # slapos.core==0.35.1
 # slapos.toolbox==0.34.0
 # supervisor==3.0b1