metadata updated for release v2.0.4

Merge pull request geometalab#204 from geometalab/develop

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Merge pull request geometalab#202 from geometalab/develop

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Merge pull request geometalab#200 from geometalab/develop

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Merge pull request geometalab#195 from geometalab/develop

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Merge pull request geometalab#188 from geometalab/develop

New predefined connection 'Mapcat.com' added

Merge pull request geometalab#187 from geometalab/develop

release v1.7.3

Merge pull request geometalab#179 from geometalab/develop

version increased to 1.7.2

Merge pull request geometalab#178 from geometalab/develop

qgisMaximumVersion set to 2.98

Merge pull request geometalab#171 from geometalab/develop

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