Bump richtextfx from 0.9.3 to 0.10.0 (#4899)

Author: dependabot[bot]

build.gradle

@@ -130,7 +130,7 @@ dependencies {
     compile 'de.saxsys:mvvmfx:1.8.0'
     compile 'org.fxmisc.easybind:easybind:1.0.3'
     compile 'org.fxmisc.flowless:flowless:0.6.1'
-    compile 'org.fxmisc.richtext:richtextfx:0.9.3'
+    compile 'org.fxmisc.richtext:richtextfx:0.10.0'
     compile 'com.sibvisions.external.jvxfx:dndtabpane:0.1'
     compile 'javax.inject:javax.inject:1'
     compile 'com.jfoenix:jfoenix:8.0.8'