Added tokens for app control to the Apps_Defaults configuration file.
Added AppsDefaults token checks to the cron java code and scripts.
Updated Executor.start() to load system properties from properties files
in a conf resources properties directory and also to load site specific
properties from a conf resources properties site directory.
Amend:
Removed tabs in MainMethod.java.
Updates from peer review.
Removed old commented out code in ohd cron properties file and commented-out code in MainMethod.execute().
Change-Id: I44e74791dadc9af09c99244d8d099cea581863cc
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Conflicts:
ncep/gov.noaa.nws.ncep.common.dataplugin.mcidas/src/gov/noaa/nws/ncep/common/dataplugin/mcidas/McidasRecord.java
ncep/gov.noaa.nws.ncep.common.dataplugin.ncpafm/src/gov/noaa/nws/ncep/common/dataplugin/ncpafm/NcPafmRecord.java
ncep/gov.noaa.nws.ncep.common.dataplugin.ncuair/src/gov/noaa/nws/ncep/common/dataplugin/ncuair/NcUairRecord.java
ncep/gov.noaa.nws.ncep.edex.plugin.mosaic/src/gov/noaa/nws/ncep/edex/plugin/mosaic/common/MosaicRecord.java
All of these were 'self-resolved' when kdiff3 invoked
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