Move source ~/.profile to ~/.zprofile

See the comments in .zprofile for an explanation and a link to a much larger
conversation about this issue. It's a bit messy.

configs/shared/zsh/.zprofile

@@ -0,0 +1,10 @@
+# ZSH seems to avoid sourcing ~/.profile during SSH sessions.
+# X (or something else) seems to source ~/.profile with it initializes.
+# Putting this here allows my SSH sessions to have the expected configuration.
+#
+# Putting this here instead of in my .zshrc or .zshenv is advantageous since it
+# is only called once when a terminal is created; subshells and nested ZSH
+# sessions don't re-source this file.
+#
+# See this thread for more information: https://groups.google.com/a/google.com/forum/#!topic/zsh-users/VO2lEJRfFzk
+source ~/.profile

configs/shared/zsh/.zshrc

@@ -1,5 +1,3 @@
-source ~/.profile
-
 source ~/antigen.zsh
 
 # Load the oh-my-zsh library