added override service for wpa_supplicant

This probably isn't working like we want

README.md

@@ -219,12 +219,14 @@ sudo systemctl enable naxalnet.service
 
 Now naxalnet will start a mesh on every boot.
 
+<!--
 If you use GNOME, you should mask `wpa_supplicant.service` so that it
 cannot be started by systemd. See issue #21
 
 ```sh
 sudo systemctl mask wpa_supplicant.service
 ```
+-->
 
 If you have NetworkManager enabled, which is the default in Ubuntu and
 Fedora, it should be disabled:

naxalnet/__init__.py

@@ -42,4 +42,4 @@ given below.
 #
 # In case you forgot to change the version, skip the number
 # and put the next number in the next commit.
-__version__ = "0.5.0a1.dev3"
+__version__ = "0.5.0a1.dev4"

naxalnet/scripts.py

@@ -117,8 +117,6 @@ def setup_devices():
     """
     try:
         notify("STATUS=Setting up mesh...")
-        # This is a terrible hack to fix #21. See the issue for more details
-        time.sleep(2)
         iwd = IWD()
         devices = iwd.get_devices()
         adhoc_devices = []

service/wpa_supplicant.service.d/naxalnet.conf

@@ -0,0 +1,3 @@
+[Service]
+# Fix for #21
+ExecStartPost=systemctl try-restart naxalnet.service

setup.cfg

@@ -36,6 +36,8 @@ lib/systemd/system =
     service/naxalnet.service
 lib/systemd/system/iwd.service.d =
     service/iwd.service.d/naxalnet.conf
+lib/systemd/system/wpa_supplicant.service.d =
+    service/wpa_supplicant.service.d/naxalnet.conf
 # If installing with pip, this file will be copied to some other place.
 # This is the reason we use setup.py instead of pip in the Makefile.
 /etc/naxalnet =