Introduce spelling tests via codespell

.codespell.exclude

@@ -0,0 +1,45 @@
+        echo "succes.label Login success"
+        echo "succes.draw AREA"
+echo "succes.value $success"
+Tim Small <tim@seoss.co.uk>
+    accesss      => 'NFSPROC3_ACCESS (Check Access Permission)',
+# Beginn des modifizierten Skriptes        - Beginning of the modified script  #
+				[ /(\d+) packets with ECN ECT\(0\) bit set$/, [ [ :packets, 'ECT(0) bit' ] ] ],
+				[ /(\d+) packets with ECN ECT\(1\) bit set$/, [ [ :packets, 'ECT(1) bit' ] ] ],
+				[ /(\d+) ARP entrys? timed out$/, [ [ :entries, 'timed out' ] ] ],
+echo -en "recieved.value "
+	print "require dont.graph.anything [0-9]+\n"
+# Informations générales :
+#   Marge de bruit         5.10 dB            5.60 dB           
+#   Adresse MAC Freebox            XX:XX:XX:XX:XX:XX
+#   Adresse IP                     203.0.113.60            
+#   Adresse IP privée              192.0.2.1             
+#   Adresse IP DMZ                 192.0.2.2             
+#   Adresse IP Freeplayer          192.0.2.0             
+#   Adresse MAC            Adresse IP                  
+# Linjen som grep'es ut kan se ut som dette:
+# Linjen som grep'es ut kan se ut som dette:
+VISITORS="$(echo '<doc><item>munin</item></doc>' | curl --silent -X POST -H 'Content-type: text/xml' -d @- http://api.trafic.ro/rest/0.01/sumar-site/$RID |  xmlstarlet sel -t -m "/sumar-site/vizitatori_ultimele_24_ore" -v ".")"
+#  - Serien Timer werden nun separat gezaehlt (anzahl pro Woche)
+#  - Timer werden nur ignoriert wenn sie 0(inaktiv) als Status haben
+    primary muss ein iterable oder StringType sein
+    secondary muss iterable oder StringType sein
+		print  ("d.label Design voltage\nd.type GAUGE\nd.draw AREA\n");
+	if ($str =~ /^(no?|0|f(alse)?)$/i) {
+# (Based off the perl munin plugin by Joan Carles Soler)
+    <hist>
+    </hist>
+Christian Loos <cloos@netsandbox.de>
+#  - kein div 0 Fehler mehr wenn der  Host nicht zu erreichen ist
+#  - im Namen kann Munin-konform der Hostname mit angegeben werden: vdr_localhost vdr_192.168.0.2, ... (localhost ist default)
+    print "platte.info Angabe, wieviel der von VDR beschreibbaren Festplatten belegt ist.\n";
+	echo 'graph_title Samba Locked Files'
+	echo 'graph_vlabel number of locked files'
+	echo 'samba_locked.label Locked Files'
+	echo 'lock.label Locked files'
+    echo 'graph_info This graph shows the Memory used by process'
+	echo 'shares.label shared files'
+# Based on Tim Wulkau's script. Thank you!
+        echo 'graph_title Memory usage by process'
+	echo 'VmSize.info The size of the virtual memory allocated to the process'
+grep -v 'Preparing to download files' | \

.codespell.ignore-words

@@ -0,0 +1,5 @@
+cas
+conexant
+ende
+referer
+wan

.travis.yml

@@ -3,6 +3,7 @@ dist: bionic
 addons:
   apt:
     packages:
+      - codespell
       - devscripts
       - python
       - python-flake8
@@ -84,4 +85,5 @@ before_install:
   # - MythTV
 
 script:
+  - make lint
   - prove

Makefile

@@ -0,0 +1,7 @@
+.PHONY: lint
+lint:
+	# TODO: add "--ignore-words .codespell.ignore-words" as soon as travis supports a newer
+	#     testing environment (containing codespell 0.11 or later).
+	find plugins/ -type f -not -name "*.png" -not -name "*.conf" -not -name "*.jar" -print0 \
+		| xargs -0 codespell \
+			--exclude-file .codespell.exclude