issue #32 keyboard entry and button interaction improved and also
removed unused code from layouts
issue #32 keyboard now appears on landscape and portrait mode
issue #32 fixed existing bugs from the feature
issue #32 bug fixes
added adjustPan to windowSoftInputMode
added input hint for Student username
changed teacher login input hints
increased teacher password layout width
widened teacher username field
commented out in AdminGrid.java
changed teacher and student login prompts
commented out keyboard from AdminGrid onCreateView so that keyboard does not show up in Play section
fixed merge conflicts (hopefully)
replaced missing makeVisible
uncommented hideKeyboard