- remove unwanted files

o correct formatting in usage.{md,html}

geoCore/help/usage.html

@@ -190,7 +190,7 @@ <h1>geoCore - QGIS plugin for creating graphical representations of geoscientifi
 <p>The QGIS Plugin geoCore is under development by <a href="https://www.t-systems-onsite.de/">T-Systems on site services GmbH</a> based on the idea of the <a href="www.nihk.de">Lower Saxony Institute for Historical Coastal Research Wilhelmshaven (NIhK)</a>.</p>
 <div id="update-warning" class="section level2">
 <h2>Update Warning</h2>
-<p><strong>Please backup your geoCore.yml, config.yml and the additional .svg files before you update the plugin. If not, the will be deleted due to the QGIS updating process!</strong></p>
+<p><strong>Please backup your geoCore.yml, config.yml and the additional .svg files before you update the plugin. If not, the files will be deleted due to the QGIS updating process!</strong></p>
 </div>
 <div id="aim" class="section level2">
 <h2>Aim</h2>
@@ -392,10 +392,10 @@ <h3>Data</h3>
 <ul>
 <li>ID -&gt; Key value that is also available in the drilling table</li>
 <li>layerno -&gt; layernumber (unique per hole)</li>
-<li>petrography -&gt; description of the shift. The definition is determined by the * geoCore.yml * (see below)</li>
+<li>petrography -&gt; description of the shift. The definition is determined by the <strong>geoCore.yml</strong> (see below)</li>
 <li>facies -&gt; only for the description text</li>
 <li>comment -&gt; is used in addition to the description of the layer on the drilling profile</li>
-<li>colour -&gt; Description of the color of the layer. The definition is determined by the * geoCore.yml * (see below)</li>
+<li>colour -&gt; Description of the color of the layer. The definition is determined by the <strong>geoCore.yml</strong> (see below)</li>
 <li>depth_from -&gt; Top of the layer in centimeters below the terrain surface</li>
 <li>depth_to -&gt; Lower edge of the layer in centimeters below the terrain surface</li>
 <li>group -&gt; Value for grouping layers of different profiles (acre in profile 1 corresponds to acre in profile 2)</li>

geoCore/help/usage.md

@@ -8,7 +8,7 @@
 The QGIS Plugin geoCore is under development by [T-Systems on site services GmbH](https://www.t-systems-onsite.de/) based on the idea of the [Lower Saxony Institute for Historical Coastal Research Wilhelmshaven (NIhK)](www.nihk.de).
 
 ## Update Warning
-**Please backup your geoCore.yml, config.yml and the additional .svg files before you update the plugin. If not, the will be deleted due to the QGIS updating process!**
+**Please backup your geoCore.yml, config.yml and the additional .svg files before you update the plugin. If not, the files will be deleted due to the QGIS updating process!**
 
 ## Aim
 
@@ -57,10 +57,10 @@ ID |	layerno |	petrography |	facies |	comment |	colour |	depth_from |	depth_to |
 
 *    ID -> Key value that is also available in the drilling table
 *    layerno -> layernumber (unique per hole)
-*   petrography -> description of the shift. The definition is determined by the * geoCore.yml * (see below)
+*   petrography -> description of the shift. The definition is determined by the **geoCore.yml** (see below)
 *    facies -> only for the description text
 *    comment -> is used in addition to the description of the layer on the drilling profile
-*    colour -> Description of the color of the layer. The definition is determined by the * geoCore.yml * (see below)
+*    colour -> Description of the color of the layer. The definition is determined by the **geoCore.yml** (see below)
 *    depth_from -> Top of the layer in centimeters below the terrain surface
 *    depth_to -> Lower edge of the layer in centimeters below the terrain surface
 *    group -> Value for grouping layers of different profiles (acre in profile 1 corresponds to acre in profile 2)