Markdown: Add support for GTK3
spellcheck: Fix check for default language if LANG contains UTF-8

g_strndup() copies bytes, not UTF-8 characters.
Merge pull request #96 from b4n/wip/spellcheck

spellcheck: Fix check for default language if LANG contains UTF-8
MultiTerm: Implement the other config VTE properties

There was a bunch of VTE properties that were documented in the config
file comments but I never got around to implementing them. The current
implementation needs some re-factoring now since there's a lot of
duplicated code and it could be greatly simplified.

Also remove comments about unimplemented cwd-tracking feature.
geanyinsertnum - fixed compilation with Geany >= 2013-03-11 && gtk <= 2.22
geanyinsertnum - small improvements, increased maxlines to 250000
scope - GtkList/TreeStore -> ScpTreeStore; GTK+ 3 support
HACKING: Added info about MAINTAINERS and po/POTFILES.in
scope - fixed useless memory deallocation
Merge branch 'master' of github.com:geany/geany-plugins
Add scope/src/store/scptreestore.c to the list of translatable files
Attempt to fix Windows nightly builds

Include geanyplugin.h to get compat.h for gtk_combo_box_text_*.
scope - typedef _AElem fix, added scptreestore.html
Merge branch 'master' of github.com:geany/geany-plugins
geanylua: Fix build with GTK3
geanylua: Build with C89

Use GLib functions whenever possible not to depend on non-C89
functions, and define the proper feature macros for the rest (namely,
_BSD_SOURCE for stat() and lstat()).
geanypg: Check for fdopen() and define POSIX feature check macros
Don't use C++-style comments
For now disable detecion of MSVC on Windows
scope - scptreestore - documentation fixes, i18n for gtk+ >= 2.18