1. Add AcpiTable & ComponentName2 Protocol definitions.
2. Add HardwareErrorVariable GUID definition.
EdkModulePkg:
1. Update DxeCore to let InsatllConfigurationTable() signal the event group whenever a table entry is inserted, modified or deleted.
2. Update ConPlatform to let Simple Text In and Out not share a stop function .
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2625 6f19259b-4bc3-4df7-8a09-765794883524
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