- update the language template strings.pot and updated the Romanian translation

- updated the Readme file with the steps for installation for MacOS
- updated the requirements.txt file

requirements.txt

@@ -1,6 +1,8 @@
 # This file contains python only requirements to be installed with pip
 # Python packages that cannot be installed with pip (e.g. PyQt5, GDAL) are not included.
+# For Windows GDAL wheel can be found here: https://www.lfd.uci.edu/~gohlke/pythonlibs/#gdal
 # Usage: pip3 install -r requirements.txt
+
 pyqt5>=5.12.1
 numpy>=1.16
 matplotlib>=3.1
@@ -13,7 +15,7 @@ dill
 rtree
 pyopengl
 vispy
-ortools
+ortools>=7.0
 svg.path
 simplejson
 shapely>=1.3
@@ -24,4 +26,5 @@ lxml
 ezdxf
 qrcode>=6.1
 reportlab>=3.5
-svglib
+svglib
+gdal