Bumps org.wildfly.plugins:wildfly-plugin-tools from 2.0.0.Alpha1 to 2.0.0.Alpha2.

• @jfdenise Fix for WFMP-315, The generated standalone/tmp directory is not fully deleted by in
• @jamezp [161] Add a ServerManagerListener which can be registered to take act… by in
• @jamezp [163] Better detection of whether the server manager is managing a re… by in * 4a208c3 [maven-release-plugin] prepare release v2.0.0.Alpha2
• 9192bb9 Merge pull request from jamezp/issue163
• 0e9934d [163] Better detection of whether the server manager is managing a remote ser...
• b9186f2 Merge pull request from jamezp/issue161
• 3d24339 [161] Add a ServerManagerListener which can be registered to take action on v...
• 02416bc Merge pull request from jfdenise/WFMP-315
• 66840ce Fix for WFMP-315, The generated standalone/tmp directory is not fully deleted
• 4c6c9cd Minor fixes to the release script.
• c1dd57b [maven-release-plugin] prepare for next development iteration
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