mate-calc 1.22.1 release

Changes since the last release: v1.22.0...v1.22.1

mate-calc 1.22.1

• Translations update
• currency-manager: Update name_map in load_imf_rates
• display small numbers in scientific notation
• mp: Fix calculate result ln(e^(i*π))
• mate-calc: Fix memory leak
• i18n about dialog