better info messages for activating new env

src/API.jl

@@ -594,7 +594,7 @@ function activate(path::String; shared::Bool=false)
             fullpath = abspath(devpath)
         else
             fullpath = abspath(path)
-            isdir(fullpath) || @info("new environment will be placed at $fullpath")
+            isdir(fullpath) || @info("activating environment at $fullpath.")
         end
     else
         # initialize `fullpath` in case of empty `Pkg.depots()`
@@ -611,7 +611,7 @@ function activate(path::String; shared::Bool=false)
         # unless the shared environment already exists, place it in the first depots
         if !isdir(fullpath)
             fullpath = joinpath(Pkg.envdir(Pkg.depots1()), path)
-            @info("new shared environment \"$path\" will be placed at $fullpath")
+            @info("activating new shared environment \"$path\" at $fullpath.")
         end
     end
     Base.ACTIVE_PROJECT[] = Base.load_path_expand(fullpath)