Revert version bounces

Author: aslakhellesoy

pom.xml

@@ -44,12 +44,14 @@
         <weld-se.version>2.0.2.Final</weld-se.version>
         <cdi-api.version>1.1</cdi-api.version>
         <openejb-core.version>4.5.2</openejb-core.version>
-        <cobertura.version>2.0.2</cobertura.version>
+        <!-- For some reason, upgrading cobertura completely breaks the entire build (?!) -->
+        <cobertura.version>1.9.4.1</cobertura.version>
         <dbunit.version>2.4.9</dbunit.version>
         <log4j.version>1.2.17</log4j.version>
         <slf4j.version>1.7.5</slf4j.version>
         <freemarker.version>2.3.20</freemarker.version>
-        <javax.servlet-api.version>3.1.0</javax.servlet-api.version>
+        <!-- Bumping to 3.1.0 or above requires JDK 7 or else we'll get Unsupported major.minor version 51.0 -->
+        <javax.servlet-api.version>3.0.1</javax.servlet-api.version>
         <android-maven-plugin.version>3.6.0</android-maven-plugin.version>
         <android.version>2.2.1</android.version>
     </properties>