Build with GitHub Actions (#2800)

* Add GitHub Actions workflow

* Update workflow

* Run BuildTools in workflow

* Update build.yml

* Add distributionManagement to pom.xml

* Add GitHub registry Maven credentials

* Remove Travis CI config

* mkdir -p

* Remove GitHub package registry push

Didn't work anyway

* Remove distributionManagement

* Cache Maven repo

* Fix step order

* Use JitPack for VaultAPI

.github/workflows/build.yml

@@ -0,0 +1,41 @@
+name: Build EssentialsX
+
+on:
+  push:
+    branches: 
+    - 2.x
+    - mc/*
+  pull_request:
+    branches: 
+    - 2.x
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout Git repo
+      uses: actions/checkout@v1
+    - name: Restore Maven cache
+      uses: actions/cache@v1
+      with:
+        path: ~/.m2/repository
+        key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+        restore-keys: |
+          ${{ runner.os }}-maven-
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - name: Run BuildTools
+      if: steps.cache.outputs.cache-hit != 'true'
+      run: chmod +x scripts/buildtools.sh && ./scripts/buildtools.sh
+    - name: Build with Maven
+      run: mvn package --file pom.xml
+    - name: Copy artifacts
+      run: mkdir -p ./out/ && cp -t ./out/ **/target/Essentials*.jar
+    - uses: actions/upload-artifact@master
+      with:
+        name: Plugin jars
+        path: out/

.travis.yml

@@ -1,13 +0,0 @@
-language: java
-
-jdk:
-  - openjdk8
-
-cache:
-  directories:
-  - .buildtools
-  - $HOME/.m2
-
-before_install:
-  - chmod +x scripts/buildtools.sh
-  - scripts/buildtools.sh

Essentials/pom.xml

@@ -49,7 +49,7 @@
 
     <dependencies>
         <dependency>
-            <groupId>net.milkbowl.vault</groupId>
+            <groupId>com.github.milkbowl</groupId>
             <artifactId>VaultAPI</artifactId>
             <version>1.7</version>
             <scope>provided</scope>

pom.xml

@@ -35,6 +35,10 @@
             <id>paper-repo</id>
             <url>https://papermc.io/repo/repository/maven-public/</url>
         </repository>
+		<repository>
+		    <id>jitpack</id>
+		    <url>https://jitpack.io</url>
+		</repository>
     </repositories>
 
     <modules>