added icons for popup dialogs

added "add photo" image

removed old stuff

added more localization

replaced \n by <br/> as newline in position marker snippet

updated build sdk from 21 to 22

updated some layouts

beautified path popup

added custom checkbox adapter (imageview, textviews and checkbox)

fixed POI option parsing error

added images for add path poi popup (currently not displayed, due to missing self-defined adapter)

added path add popup

added missing feature constants

added some more strings

implemented needed methods in properties

added prefix to features and small (design) fixes for markers

added size of types (number of different types)

added method to get poi options/properties

added predefined colors

simplified drawer list style and followed googles design pattern, some other design fixes

add poi (location) fix

added marker backgroud layer

reverted minimumSdk back to 11

poi marker fix

removed old libs in iml file

cleanup and testing of drawer toggle + marker display with specific icon

implemented method to get poi by type

removed old code

set minSdkVersion to 21

added internationalization support and german translation