Added configuration.yml and system.yml for all basic hydro tests.

examples/EvrardCollapse_3D/configuration.yml

+with-subgrid: none
+with-hydro-dimension: 3
+with-equation-of-state: ideal-gas
+with-adiabatic-index: 5/3
+with-cooling: none
+with-chemistry: none
+with-ext-potential: none

examples/EvrardCollapse_3D/system.yml

+input:
+  - evrardCollapse3D_exact.txt
+  - evrard.yml
+
+output:
+  - EvrardCollapse.png
+
+swift_parameters: -s -G
+swift_threads: 4

examples/GreshoVortex_2D/configuration.yml

+with-subgrid: none
+with-hydro-dimension: 2
+with-equation-of-state: ideal-gas
+with-adiabatic-index: 5/3
+with-cooling: none
+with-chemistry: none
+with-ext-potential: none

examples/GreshoVortex_2D/system.yml

+input:
+  - glassPlane_128.hdf5
+  - gresho.yml
+
+output:
+  - GreshoVortex.png
+
+swift_parameters: -s
+swift_threads: 1

examples/GreshoVortex_3D/configuration.yml

+with-subgrid: none
+with-hydro-dimension: 3
+with-equation-of-state: ideal-gas
+with-adiabatic-index: 5/3
+with-cooling: none
+with-chemistry: none
+with-ext-potential: none

examples/GreshoVortex_3D/system.yml

+input:
+  - glassCube_64.hdf5
+  - gresho.yml
+
+output:
+  - GreshoVortex.png
+
+swift_parameters: -s
+swift_threads: 4

examples/InteractingBlastWaves_1D/configuration.yml

+with-subgrid: none
+with-hydro-dimension: 1
+with-equation-of-state: ideal-gas
+with-adiabatic-index: 7/5
+with-cooling: none
+with-chemistry: none
+with-ext-potential: none

examples/InteractingBlastWaves_1D/system.yml

+input:
+  - interactingBlastWaves1D_exact.txt
+  - interactingBlastWaves.yml
+
+output:
+  - InteractingBlastWaves.png
+
+swift_parameters: -s
+swift_threads: 1

examples/KelvinHelmholtz_2D/configuration.yml

+with-subgrid: none
+with-hydro-dimension: 2
+with-equation-of-state: ideal-gas
+with-adiabatic-index: 5/3
+with-cooling: none
+with-chemistry: none
+with-ext-potential: none

examples/KelvinHelmholtz_2D/system.yml

+input:
+  - kelvinHelmholtz.yml
+
+output:
+  - KelvinHelmholtz.png
+
+swift_parameters: -s
+swift_threads: 1

examples/Noh_1D/configuration.yml

+with-subgrid: none
+with-hydro-dimension: 1
+with-equation-of-state: ideal-gas
+with-adiabatic-index: 5/3
+with-cooling: none
+with-chemistry: none
+with-ext-potential: none

examples/Noh_1D/system.yml

+input:
+  - noh.yml
+
+output:
+  - Noh.png
+
+swift_parameters: -s
+swift_threads: 1

examples/Noh_2D/configuration.yml

+with-subgrid: none
+with-hydro-dimension: 2
+with-equation-of-state: ideal-gas
+with-adiabatic-index: 5/3
+with-cooling: none
+with-chemistry: none
+with-ext-potential: none

examples/Noh_2D/system.yml

+input:
+  - glassPlane_128.hdf5
+  - noh.yml
+
+output:
+  - Noh.png
+
+swift_parameters: -s
+swift_threads: 2

examples/Noh_3D/configuration.yml

+with-subgrid: none
+with-hydro-dimension: 3
+with-equation-of-state: ideal-gas
+with-adiabatic-index: 5/3
+with-cooling: none
+with-chemistry: none
+with-ext-potential: none

examples/Noh_3D/system.yml

+input:
+  - glassCube_64.hdf5
+  - noh.yml
+
+output:
+  - Noh.png
+
+swift_parameters: -s
+swift_threads: 2

examples/SedovBlast_1D/configuration.yml

+with-subgrid: none
+with-hydro-dimension: 1
+with-equation-of-state: ideal-gas
+with-adiabatic-index: 5/3
+with-cooling: none
+with-chemistry: none
+with-ext-potential: none

examples/SedovBlast_1D/system.yml

+input:
+  - sedov.yml
+
+output:
+  - Sedov.png
+
+swift_parameters: -s
+swift_threads: 1

examples/SedovBlast_2D/configuration.yml

+with-subgrid: none
+with-hydro-dimension: 2
+with-equation-of-state: ideal-gas
+with-adiabatic-index: 5/3
+with-cooling: none
+with-chemistry: none
+with-ext-potential: none

examples/SedovBlast_2D/system.yml

+input:
+  - glassPlane_128.hdf5
+  - sedov.yml
+
+output:
+  - Sedov.png
+
+swift_parameters: -s
+swift_threads: 1