Updated documentation for PyICU support

docs/admin/Installation.md

@@ -30,6 +30,7 @@ For compiling:
   * [proj](https://proj.org/)
   * [bzip2](http://www.bzip.org/)
   * [zlib](https://www.zlib.net/)
+  * [ICU](http://site.icu-project.org/)
   * [Boost libraries](https://www.boost.org/), including system and filesystem
   * PostgreSQL client libraries
   * a recent C++ compiler (gcc 5+ or Clang 3.8+)
@@ -43,6 +44,7 @@ For running Nominatim:
   * [Python Dotenv](https://github.com/theskumar/python-dotenv)
   * [psutil](https://github.com/giampaolo/psutil)
   * [Jinja2](https://palletsprojects.com/p/jinja/)
+  * [PyICU](https://pypi.org/project/PyICU/)
   * [PHP](https://php.net) (7.0 or later)
   * PHP-pgsql
   * PHP-intl (bundled with PHP)

vagrant/Install-on-Centos-7.sh

@@ -40,9 +40,9 @@
                         php-pgsql php php-intl libpqxx-devel \
                         proj-epsg bzip2-devel proj-devel boost-devel \
                         python3-pip python3-setuptools python3-devel \
-                        expat-devel zlib-devel
+                        expat-devel zlib-devel libicu-dev
 
-    pip3 install --user psycopg2 python-dotenv psutil Jinja2
+    pip3 install --user psycopg2 python-dotenv psutil Jinja2 PyICU
 
 
 #

vagrant/Install-on-Centos-8.sh

@@ -33,9 +33,9 @@
                         php-pgsql php php-intl php-json libpq-devel \
                         bzip2-devel proj-devel boost-devel \
                         python3-pip python3-setuptools python3-devel \
-                        expat-devel zlib-devel
+                        expat-devel zlib-devel libicu-dev
 
-    pip3 install --user psycopg2 python-dotenv psutil Jinja2
+    pip3 install --user psycopg2 python-dotenv psutil Jinja2 PyICU
 
 
 #

vagrant/Install-on-Ubuntu-18.sh

@@ -30,12 +30,12 @@ export DEBIAN_FRONTEND=noninteractive #DOCS:
                         postgresql-server-dev-10 postgresql-10-postgis-2.4 \
                         postgresql-contrib-10 postgresql-10-postgis-scripts \
                         php php-pgsql php-intl python3-pip \
-                        python3-psycopg2 python3-psutil python3-jinja2 git
+                        python3-psycopg2 python3-psutil python3-jinja2 git libicu-dev
 
 # The python-dotenv package that comes with Ubuntu 18.04 is too old, so
 # install the latest version from pip:
 
-    pip3 install python-dotenv
+    pip3 install python-dotenv PyICU
 
 #
 # System Configuration

vagrant/Install-on-Ubuntu-20.sh

@@ -33,7 +33,10 @@ export DEBIAN_FRONTEND=noninteractive #DOCS:
                         postgresql-server-dev-12 postgresql-12-postgis-3 \
                         postgresql-contrib-12 postgresql-12-postgis-3-scripts \
                         php php-pgsql php-intl python3-dotenv \
-                        python3-psycopg2 python3-psutil python3-jinja2 git
+                        python3-psycopg2 python3-psutil python3-jinja2 git libicu-dev
+#Python packages:
+
+    pip3 install PyICU
 
 #
 # System Configuration