CRM-15176
Update Miscellaneous.tpl
Update Component.hlp
Update MembershipType.tpl
Update MembershipStatus.tpl
Update MembershipType.tpl
Update Component.hlp
Merge pull request #3948 from joannechester/4.5

CRM-14635: Update links in user interface that point to book membership chapters
Merge pull request #3946 from jitendrapurohit/CRM-15176

CRM-15176
Centralize select placeholder handling
Select2 style fixes for public pages
Profile code cleanup
Merge pull request #3954 from colemanw/forms

Form cleanup