(chore) minor cleanups (#511)

* (chore) minor cleanups

* add html spacing

Author: lifeofguenter

.editorconfig

@@ -0,0 +1,19 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_size = 2
+indent_style = space
+
+[Makefile]
+indent_size = 4
+indent_style = tab
+
+[*.{java,html}]
+indent_size = 4
+
+[*.md]
+trim_trailing_whitespace = false

.gitignore

@@ -1,12 +1,16 @@
+.DS_Store
+*~
+
+# Eclipse
 .project
 .classpath
 .settings
 target
 work
 .checkstyle
 
-# INTELLIJ
-.idea
+# IntelliJ
+/.idea/
 *.iml
 *.iws
 *.ipr

.travis.yml

@@ -4,4 +4,4 @@ buildPlugin(configurations: [
                 [platform: 'linux', jdk: '8'],
                 [platform: 'linux', jdk: '11'],
                 [platform: 'windows', jdk: '11'],
-            ])
+            ])

Jenkinsfile

@@ -1,20 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.2//EN" "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">
+<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.2//EN"
+  "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">
 <module name="Checker">
-    <module name="FileTabCharacter" />
-    <module name="NewlineAtEndOfFile">
-        <property name="lineSeparator" value="lf" />
-    </module>
-    <module name="RegexpSingleline">
-        <property name="format" value="\s+$"/>
-        <property name="message" value="Trailing spaces are not allowed."/>
-    </module>
-    <module name="TreeWalker">
-        <module name="ImportOrder">
-            <property name="separatedStaticGroups" value="true" />
-            <property name="option" value="bottom" />
-        </module>
-        <module name="UnusedImports" />
-        <module name="AvoidStarImport" />
+  <module name="FileTabCharacter"/>
+  <module name="NewlineAtEndOfFile">
+    <property name="lineSeparator" value="lf"/>
+  </module>
+  <module name="RegexpSingleline">
+    <property name="format" value="\s+$"/>
+    <property name="message" value="Trailing spaces are not allowed."/>
+  </module>
+  <module name="TreeWalker">
+    <module name="ImportOrder">
+      <property name="separatedStaticGroups" value="true"/>
+      <property name="option" value="bottom"/>
     </module>
+    <module name="UnusedImports"/>
+    <module name="AvoidStarImport"/>
+  </module>
 </module>