Added documentation (in Event, CurrentUserDAOInterface, EventDAOInterface, MapView), fixed some inconsistent buttons and alignment in the UI, and added a check to prevent users from creating an event in the past as well as creating an event that starts and ends at the same time

UI revisions

See merge request !36

# Conflicts:
#   src/main/java/com/saskcycle/saskcycle/view/uiViews/ClickedPostView.java

Ui revisions

See merge request !34

# Conflicts:
#	src/main/java/com/saskcycle/saskcycle/view/uiViews/ClickedPostView.java
#	src/main/java/com/saskcycle/saskcycle/view/uiViews/EditPostView.java
#	src/main/java/com/saskcycle/saskcycle/view/uiViews/PostCreateView.java

# Conflicts:
#	src/test/java/com/saskcycle/saskcycle/SaskCycleApplicationTests.java

Addded looking for/giving away labels to posts, fixed language consistency with searching for give/get posts

Ui revisions

See merge request !33