Added support for ordering solutions by where the problem occurs in the end-of-chapter
Statistics Issues fixes -- table headers in notes, calc feature transparent background, example exercise fonts and table numbering
Collated references should have a single column layout.
Updated so end-of-chapter solutions are numbered
Hid end of book references
Hid end of book Answer Key (solutions)
Whitespace fix
Add CSS to hide the solutions in the back of the chapter for most books
removed comment to allow exercise counter to reset to start numbering with 1
Merge pull request #113 from Connexions/stats-issues-low-difficulty

Stats issues low difficulty
inverted try-it solutions in feature due to inability to number in eoc
Merge pull request #108 from Connexions/solution-ordering-in-back

Add support for ordering solutions by where the problem occurs in the end-of-chapter
style eoc solutions to render inline and compensate for tables
small refactor for styling of solutions for eoc
small refactor of solutions selectors for eoc styling
utilizing text replacement for try-it answer without resorting to prince extension
added comment and allow inherit styling for default text replace
fixed comma delineated selectors to achieve proper spacing
Merge pull request #115 from Connexions/stats-try-it-fixes

Try-it solution fixes to allow solutions to be displayed upside down in feature
Merge pull request #114 from Connexions/stats-eoc-solution-fixes

Statistcs EOC solution fixes for inline numbering styling