adding zaw as an external module

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "modules/completion/external"]
 	path = modules/completion/external
 	url = https://github.com/zsh-users/zsh-completions.git
+[submodule "modules/zaw/external"]
+	path = modules/zaw/external
+	url = git://github.com/zsh-users/zaw.git

modules/zaw/README.md

@@ -0,0 +1,34 @@
+Zaw
+===
+
+Loads and configures Zaw from the [zsh-users/zaw][1] project.
+
+Styles
+======
+
+```
+':prezto:module:zaw:filter-select:highlight' selected
+':prezto:module:zaw:filter-select:highlight' matched
+':prezto:module:zaw:filter-select:highlight' title
+```
+
+Bindings
+========
+
+To use zaw as your default history search. Add the following to your .zpreztorc:
+
+```
+zstyle ':prezto:module:zaw' default-history-search 'yes'
+```
+
+More details can be found on the [zsh-users/zaw][1] project's Readme.
+
+Authors
+-------
+
+*The authors of this module should be contacted via the [issue tracker][2].*
+
+  - [Santiago Suarez Ordoñez](https://github.com/santiycr)
+
+[1]: https://github.com/zsh-users/zaw
+[2]: https://github.com/sorin-ionescu/prezto/issues

modules/zaw/external

@@ -0,0 +1 @@
+Subproject commit d0f603203b23cf30050c6597559d6b5a6336d92f

modules/zaw/init.zsh

@@ -0,0 +1,32 @@
+#
+# Loads zaw plugin in prezto
+#
+# Authors:
+#   Santiago Suarez Ordoñez <santiycr@gmail.com>
+#
+
+# Source plugin file.
+source "${0:h}/external/zaw.zsh"
+
+# Add custom shortcuts.
+if zstyle -t ':prezto:module:zaw' default-history-search; then
+    bindkey '^R' zaw-history
+fi
+
+# Setup custom syntax highlighting.
+zstyle -s ':prezto:module:zaw:filter-select:highlight' selected 'SELECTED' \
+    || SELECTED='fg=blue,underline'
+    zstyle ':filter-select:highlight' selected "$SELECTED"
+
+zstyle -s ':prezto:module:zaw:filter-select:highlight' matched 'MATCHED' \
+    || MATCHED='fg=yellow'
+    zstyle ':filter-select:highlight' matched "$MATCHED" || 'fg=yellow'
+
+zstyle -s ':prezto:module:zaw:filter-select:highlight' title 'TITLE' \
+    || TITLE='fg=yellow,underline'
+zstyle ':filter-select:highlight' title "$TITLE"
+
+zstyle ':filter-select' max-lines 15
+zstyle ':filter-select' rotate-list yes
+zstyle ':filter-select' case-insensitive yes
+zstyle ':filter-select' extended-search yes