AI-438 : buildfix (replaced gwt incompatible methods with gwt compatible one)
(cherry picked from commit f47f5589d16a9991b9237bf79954ad5fa977b931)
AI-438 : added placehoder parsing to expr parser, e.g. {i1} + {i2}
(cherry picked from commit 81a83888fb0d315540a78ceb7e8b4df4dabae705)
AI-438 : sites-calculated-indicators.db.xml
(cherry picked from commit 5000f9db87bf729086553f8d9769ddfff5e7b6e9)
AI-438 : fixed sites-calculated-indicators.db.xml
(cherry picked from commit 31f927f4cfc0c77e6ee2cc087bec4524f2025afc)
Ensured that text/date-valued indicators are supported in offline mode
Fixes regression in SchemaImporter
(cherry picked from commit 83600486069bb0aa4ee2538ce58ca1af6d500cd1)
Fixes broken ImportSimpleTest
(cherry picked from commit 4594439fd48b93278c06901406a921b97aa5f405)