[MRM-1394] - Replace the use of clickLinkWithText() with getSelenium().open() for...

[MRM-1394] - Replace the use of clickLinkWithText() with getSelenium().open() for accessing navigation menu pages
* replaced clickLinkWithText() with getSelenium().open()
* added clickAddIcon() and clickDeleteIcon() to be used instead of clickLinkWithXPath() in RepositoryScanningTest
* added dependsOnMethods in testClickArtifactFromBrowse of BrowseTest

git-svn-id: https://svn.apache.org/repos/asf/archiva/branches/archiva-1.3.x@960311 13f79535-47bb-0310-9956-ffa450edef68