Migrate from bintray (#77)

* Bug fixes & cleanup

* Ignoring private files

* Bug fixes found during testing + added script to generate pgp key

* Added step for closing and releasing staging repository

* Update build.gradle

Disabling test coverage due to timeouts

platform/android/MapboxGLAndroidSDK/build.gradle

@@ -99,11 +99,12 @@ configurations {
     all*.exclude group: 'commons-logging', module: 'commons-logging'
     all*.exclude group: 'commons-collections', module: 'commons-collections'
 }
+
 apply from: "${rootDir}/gradle/gradle-javadoc.gradle"
 apply from: "${rootDir}/gradle/gradle-checkstyle.gradle"
 apply from: "${rootDir}/gradle/gradle-dependencies-graph.gradle"
 apply from: "${rootDir}/gradle/gradle-update-vendor-modules.gradle"
 apply from: "${rootDir}/gradle/android-nitpick.gradle"
-apply from: "${rootDir}/gradle/gradle-bintray-maplibre.gradle"
+apply from: "${rootDir}/gradle/gradle-publish.gradle"
 // Disabled to prevent timeouts
 // apply from: "${rootDir}/gradle/jacoco-report.gradle"