refactor : move util.ts to new util directory

src/app/app.component.ts

...g-edit-param-values/dialog-edit-param-values.component.ts

...ar-simulation/dialog-generate-par-simulation.component.ts

src/app/components/fixedvar-results/results.component.ts

src/app/components/fixedvar-results/var-results.component.ts

...app/components/generic-calculator/calculator.component.ts

...ts/jet-trajectory-chart/jet-trajectory-chart.component.ts

...-compound-results/macrorugo-compound-results.component.ts

...p/components/modules-diagram/modules-diagram.component.ts

...mponents/pab-profile-chart/pab-profile-chart.component.ts

...app/components/pab-results/pab-results-table.component.ts

...app/components/pb-results/pb-cloison-results.component.ts

src/app/components/pb-results/pb-results-table.component.ts

src/app/components/pb-schema/pb-schema.component.ts

...app/components/remous-results/remous-results.component.ts

src/app/components/results-chart/chart-type.component.ts

src/app/components/results-chart/results-chart.component.ts

...mponents/select-field-line/select-field-line.component.ts

...elect-section-details/select-section-details.component.ts

...e-results-selector/variable-results-selector.component.ts