Use mathematical range syntax for dependencies

In dd84d53bbc the usage of dynamic
dependencies was removed because OSS Sonatype would not longer allow
them, i.e. the '1.2.+' notation, on release artifacts. But they allow
the mathematical range notation '(1.2,1.3]', therefore we use this now.

smack-bosh/build.gradle

@@ -4,5 +4,5 @@ This API is considered beta quality."""
 
 dependencies {
 	compile project(':smack-core')
-	compile 'org.igniterealtime.jbosh:jbosh:0.8.0'
+	compile 'org.igniterealtime.jbosh:jbosh:(0.8,0.9]'
 }

smack-compression-jzlib/build.gradle

@@ -4,5 +4,5 @@ Allow to compress the XMPP stream with help of jzlib."""
 
 dependencies {
 	compile project(path: ':smack-core')
-	compile 'com.jcraft:jzlib:1.1.3'
+	compile 'com.jcraft:jzlib:(1.1,1.2]'
 }

smack-debug-slf4j/build.gradle

@@ -5,6 +5,6 @@ Connect your favourite slf4j backend of choice to get output inside of it"""
 
 dependencies {
     compile project(':smack-core')
-    compile 'org.slf4j:slf4j-api:1.7.7'
+    compile 'org.slf4j:slf4j-api:(1.7,1.8]'
     testCompile project(':smack-core').sourceSets.test.runtimeClasspath
 }

smack-resolver-dnsjava/build.gradle

@@ -5,5 +5,5 @@ javax.naming API (e.g. Android)."""
 
 dependencies {
 	compile project(path: ':smack-core')
-	compile 'dnsjava:dnsjava:2.1.6'
+	compile 'dnsjava:dnsjava:(2.1,2.2]'
 }

smack-resolver-minidns/build.gradle

@@ -5,6 +5,6 @@ javax.naming API (e.g. Android)."""
 
 dependencies {
 	compile project(path: ':smack-core')
-	compile 'de.measite.minidns:minidns:0.1.1'
+	compile 'de.measite.minidns:minidns:(0.1,0.2]'
 	compile "org.jxmpp:jxmpp-util-cache:$jxmppVersion"
 }