improve view management: - we can pass a negative view index, in this case we count from the end of the list of view - before creating/changing the view representation, we remove the previous one and reinitialize the node visibility - each time we save a view, it creates a new one at the end of the list - "restore" view loads the last view of the list

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<?xml version="1.0" encoding="UTF-8"?>

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<metadata>

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  <groupId>org.opencoweb</groupId>

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  <artifactId>coweb-java</artifactId>

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  <versioning>

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    <versions>

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      <version>1.0.1-SNAPSHOT</version>

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    </versions>

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    <lastUpdated>20131014145404</lastUpdated>

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  </versioning>

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</metadata>