Fix concrete references to shared deps

plugins/analysis-phonetic/build.gradle

@@ -24,7 +24,7 @@ esplugin {
 
 dependencies {
   compile "org.apache.lucene:lucene-analyzers-phonetic:${versions.lucene}"
-  compile 'commons-codec:commons-codec:1.10'
+  compile "commons-codec:commons-codec:${versions.commonscodec}"
 }
 
 dependencyLicenses {

plugins/mapper-attachments/build.gradle

@@ -45,7 +45,7 @@ dependencies {
   compile "org.apache.pdfbox:pdfbox:${versions.pdfbox}"
   compile "org.apache.pdfbox:fontbox:${versions.pdfbox}"
   compile "org.apache.pdfbox:jempbox:${versions.pdfbox}"
-  compile 'commons-logging:commons-logging:1.1.3'
+  compile "commons-logging:commons-logging:${versions.commonslogging}"
   compile "org.bouncycastle:bcmail-jdk15on:${versions.bouncycastle}"
   compile "org.bouncycastle:bcprov-jdk15on:${versions.bouncycastle}"
   compile "org.bouncycastle:bcpkix-jdk15on:${versions.bouncycastle}"