added export functionality
made companies.xml, parser, companies and company classes
Refactored resources and added resourceDefinition the same way as buildings.
Altered import/export/resource screens so that they will work with stored resources in moonbase.
Merge branch 'master' of git@github.com:Josvanegmond/androidmoonbase

Conflicts:
	MoonVille/res/layout/activity_export_resources.xml
	MoonVille/src/spaceappschallenge/moonville/activities/ExportResourcesActivity.java
Small change in month increment
Changed export conditions
removed regolith cost, not used
added popups with resource change info per building in overview when advancing to next month
extended building tree with iterator
Made popup transition smoother
used xml instead of new TextView object
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