Fix for javadoc issues (#216)

* removed maven.javadoc.skip=true
* fix javadoc errors

Jenkinsfile

@@ -13,7 +13,7 @@ node('linux-amd64') {
  sh 'pip install --upgrade pip'
  sh 'pip install -r requirements.txt'
 
- def args = ['clean', 'install', '-Dmaven.javadoc.skip=true', '-Dset.changelist']
+ def args = ['clean', 'install', '-Dset.changelist']
  infra.runMaven(args, 11)
  }
  }

src/main/java/hudson/plugins/performance/constraints/AbstractConstraint.java

@@ -165,7 +165,6 @@ protected double checkMetredValueforPerfReport(Metric meteredValue, PerformanceR
  *
  * @param builds all stored jenkins builds
  * @throws AbortException if a parameter in the UI is not processable
- * @throws ParseException if a timeframe string in the UI is not processable
  */
  protected void checkForDefectiveParams(List<? extends Run<?, ?>> builds) throws AbortException {
  boolean found = false;

src/main/java/hudson/plugins/performance/parsers/PerformanceReportParser.java

@@ -19,7 +19,6 @@
  * is persisted with {@link PerformancePublisher} into the project
  * configuration.
  * <p>
- * <p>
  * Subtypes can define additional parser-specific parameters as instance fields.
  *
  * @author Kohsuke Kawaguchi

src/main/java/hudson/plugins/performance/parsers/WrkSummarizerParser.java

@@ -15,7 +15,6 @@
 /**
  * Parser for wrk (https://github.com/wg/wrk)
  * <p>
- * <p>
  * Note that Wrk does not produce request-level data, and can only be processed
  * in it's summarized form (unless extended to do otherwise).
  *
@@ -178,7 +177,6 @@ PerformanceReport parse(File reportFile) throws Exception {
  * Given a time string (eg: 0ms, 1m, 2s, 3h, etc.) parse and yield the time in
  * a specified time unit (millisecond, second, minute, hour)
  * <p>
- * <p>
  * If no result can be returned, a 0 value will result and any errors
  * encountered will be logged.
  *

src/main/java/hudson/plugins/performance/reports/ConstraintReport.java

@@ -307,7 +307,6 @@ private String createJunitReport(ArrayList<ConstraintEvaluation> ceList) {
  * persistConstraintLog == true
  *
  * @throws IOException
- * @throws InterruptedException
  */
  public void writeResultsToFile() throws IOException {
  performanceLog = new File(newBuild.getRootDir() + File.separator + "performance-results" + File.separator + "performance.log");