big rework to comply to current spec

- adapt to release(v2018-11-07)
- remove duplicate errors.py
- adapt tests

Change-Id: I383bb571f9808c72b37c12fbe55042011c4c0084
Reviewed-on: https://forge.frm2.tum.de/review/19397
Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de>
Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>

secop/gui/ui/parambuttons.ui

@@ -6,10 +6,16 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>730</width>
+    <width>464</width>
     <height>33</height>
    </rect>
   </property>
+  <property name="minimumSize">
+   <size>
+    <width>0</width>
+    <height>33</height>
+   </size>
+  </property>
   <property name="windowTitle">
    <string>Form</string>
   </property>
@@ -37,7 +43,7 @@
      </property>
      <property name="minimumSize">
       <size>
-       <width>256</width>
+       <width>128</width>
        <height>0</height>
       </size>
      </property>
@@ -57,7 +63,7 @@
     <widget class="QLineEdit" name="setLineEdit">
      <property name="minimumSize">
       <size>
-       <width>256</width>
+       <width>128</width>
        <height>0</height>
       </size>
      </property>