Merge pull request #22 from solomax/master

Spring, slf4j and tomcat versions are updated

Author: mondain

pom.xml

@@ -70,9 +70,9 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <skipTests>true</skipTests>
-        <spring.version>4.3.4.RELEASE</spring.version>
+        <spring.version>4.3.5.RELEASE</spring.version>
         <mina.version>2.0.16</mina.version>
-        <slf4j.version>1.7.21</slf4j.version>
+        <slf4j.version>1.7.22</slf4j.version>
         <logback.version>1.1.7</logback.version>
         <quartz.version>2.2.3</quartz.version>
         <bc.version>1.55</bc.version>
@@ -88,7 +88,7 @@
         <httpcore.version>4.4.4</httpcore.version>
         <xerces.version>2.11.0</xerces.version>
         <cglib.version>3.2.0</cglib.version>
-        <tomcat.version>8.5.6</tomcat.version>
+        <tomcat.version>8.5.9</tomcat.version>
     </properties>
     <repositories>
         <repository>