build diagnostic improvements for server-side GL
Merge commit 'github/master'
Merge commit 'github/master'
Several changes:

    - use WStandardItem::setItemPrototype() to accept numeric data in models (#2717)
    - install DomElement.h and EscapeOStream.h (#2684)
    - use rpath for macsox builds (#2705)
    - implemented WTextEdit::setEnabled() and setReadOnly()
    - Removed obsolete Safari workaround (#2701)
    - Sending mail: report success/failure as return value for send()
    - added WTemplate::renderTemplateText error reporting
    - Fixed bestMatch logic in RequestHandler (#2694)
    - Added automatic redirect following to HTTP client (#2605)
    - Fix Http client: Change empty path into /
    - WDoubleSpinBox: decimalPoint and groupSeparator support (#2363)
Several changes:

    - fix JWt GitModel example issue (#2719)
    - fix setDirty() for a layout that has been removed (see boards/2/topics/8555)
    - fix plain HTML (and some ajax) themes for treeview and tableview
    - implemented support for recursive event loops in libwtwihtqt (#2204)
    - WMenu: changes based on suggestions from Dmitriy
fix multipart mail compliance, and layout cpu burn issue
fix nginx/FastCGI issue, and request time logging
fix WCartesianChart memory leak (#2743)
Several changes:

    - fix IE8 + progressive bootstrap issue, and WPaintedWidget IE8 issues
    - Don't use decimal point when precision is 0 (addresses part of issue #2751)
    - let WTableCell::isVisible() take into account WTableRow::isHidden()
    - fix space before newline in quoted-printable encoding (#2745)
fix resource continuations (when waiting for server-side event) for FastCGI; fixes OAuth2 for FastCGI
document FastCGI + OAuth2
fix layout issue: re-initialize parent information (#2793); and fix wtableview scrollbar glitch (#2797)
WAxis: allow locale-based label formatting and fix https issue (#2802)
release 3.3.2 final
fix #2817, #2814, #2811
Several changes:

    - remove WValidator::fixUp() (#2807)
    - fix #2821 segfault while cancelling a resource continuation
    - fix #2826 libwtdbmysql install dir
Several changes:

    - fix for SingleThreadedApplication to handle external application events properly
    - WFileupload::setFilters documentaion
    - fix WTableView bootstrap 2 selection offset problem (#2812)
tighten up Wt::Dbo template externing
Several changes:

    - fix setFirstFocus typo (#2870)
    - fix bootstrap WNavigationBar responsive problems (#2813)
    - fix cn, ru homepage (#2866)
    - added a WSortFilterProxyModel::invalidate() method
    - make WTemplate resilient against widgets being removed during rendering
    - remove C++11 constexpr idea for WFormModel fields (#2852)
    - patch from Bruce: do not parse 'f' and 't' values as an exception (#2841)
fix redundant layout touches during measurement