Added route finding + minor improvements

Sources/app/src/main/AndroidManifest.xml

Sources/app/src/main/java/Common/DirectionStep.java

Sources/app/src/main/java/Common/Directions.java

Sources/app/src/main/java/Popups/BuildingPopup.java

Sources/app/src/main/java/Popups/DirectionsPopup.java

Sources/app/src/main/java/Popups/PathwayPopup.java

Sources/app/src/main/java/Popups/PhotoInfoPopup.java

Sources/app/src/main/java/Popups/RoomPopup.java

Sources/app/src/main/java/Popups/StairsDestPopup.java

Sources/app/src/main/java/Popups/ZonePopup.java

Sources/app/src/main/java/Structures/BuildingInfo.java

Sources/app/src/main/java/Structures/MeteoInfo.java

Sources/app/src/main/java/Structures/PathInfo.java

Sources/app/src/main/java/Structures/PathStairs.java

Sources/app/src/main/java/Structures/PhotoInfo.java

Sources/app/src/main/java/Structures/RoomInfo.java

Sources/app/src/main/java/Structures/ZoneInfo.java

Sources/app/src/main/java/Views/InfoAdapter.java

...s/app/src/main/java/com/furwaz/roomview/BuildingView.java

...src/main/java/com/furwaz/roomview/DirectionsActivity.java