Initial commit for population branch. Implemented age-distrib-class
Merge branch 'master' of https://github.com/paivola/mapserver
Begun implementing extension-model-interfaces for merge
Merge branch 'master' of https://github.com/paivola/mapserver
Interface implementing in progress. Pushing for desktop computer.
Merge branch 'master' of https://github.com/paivola/mapserver

Conflicts:
	src/main/java/fi/paivola/mapserver/App.java
Populationmodel successfully merged with the basecode.
Merge branch 'master' of https://github.com/paivola/mapserver

Conflicts:
	src/main/java/fi/paivola/mapserver/App.java
PopulationExtender ready for use.
Improved filereading compatibility in PopulationExtender.
Improved readability for code written in last commit
Fixed usage of extensionmodel-interfaces in PopulationExtender
Changed one variable name in MortalityModel.java
Merge branch 'master' of https://github.com/paivola/mapserver
merged population model