Merge pull request #449 from apizer/bugfix_master

Replace line 48 of /opt/webwork/webwork2/lib/WeBWorK/File/Classlist.pm

I tested this by importing a classlist file with extra whitespace.  The fix works as intended.
This pull request corresponds to the read_whole_problem_file pull request for PG.  It also has bugfixes for a corner case PGProblemEditor button.
added path package to hard copy preamble and set discretionaries for breaking to all characters
Merge pull request #480 from Alex-Jordan/wrapFilePathsInHardcopy

added path package to hard copy preamble and set discretionaries for bre...
Changed depreciated startform endform to start_form and end_form
Missed some endforms
Merge pull request #465 from goehle/readbug

Fixing read_whole_problem_file bug (develop)
Changed id storage scheme to be a more standard bit shifting format than
prime powers.  A tree address like A.B.C.D.E.F is stored bytewise as
AABBCDEF.

Also added tweaks to make hardcopy print correctly.
Merge branch 'develop' of https://github.com/openwebwork/webwork2 into jitar2
cleaned up stats window a bit