[planner] (40 commits) ...Merge branch 'meson-port' into 'master'

[Mart Raudsepp <mraudsepp src gnome org>]

Summary of changes:

  ffd3fc9... build: port to meson
  a2ad835... build: Fix python option when missing deps with auto or exp
  2913445... build: Fix license tag
  603280d... build: Re-order dep checks to logical order
  e9a7420... build: Fix missing libxslt/libexslt deps for mrp-xsl module
  49c193d... build: Fix sql and python plugin deps and install sql plugi
  97ea0fc... No package 'libgda-3.0' found
  ef226c3... error: unknown type name 'GdaDict'.
  ffd6db9... too few arguments to function 'gda_data_model_get_value_at'
  1c3963e... too many arguments to function 'gda_init'.
  8c99dc1... unknown type name 'GdaClient'.
  719eb7a... unknown type name 'GdaCommand'.
  0d23d59... unknown type name 'GdaDataSourceInfo'.
  7b45f0e... implicit declaration of function 'gda_connection_get_databa
  8ac40a8... Do not throw the login when there is no password.
  73d90cd... Update the documentation.
  ac9012f... SQL plugin: fix the "format-security" warning(s)
  31cb2dd... error: variable set but not used
  b830ce3... Fix build failure with evolution-data-server-3.6
  bb05081... build: Add eds plugin build, disabled by default as known b
  73a0319... Drop unnecessary libecal dep for eds plugin
  a5f4ccf... build: Add gtk-doc libplanner API doc building support
  b43dc24... build: Use configuration.set_quoted instead of quoting ours
  cc88877... build: Match libm linkage better with old autotools setup f
  ed337d6... build: Use directory helper variables throughout
  5fa4f5a... Drop ancient dotnet bindings not built since 2005
  c568952... build: Add missing libplanner-1.pc generation
  3f2ed8f... build: Install libplanner headers
  c0ec73a... build: Implement gconf schema translation and installation
  6c09af7... Drop autotools and Makefile.win32 - use meson instead
  5448ac2... data: Fix .desktop file handling under meson with no intlto
  ffdf436... build: Implement mime-info installation and post-install ca
  f750a79... build: Update icon cache in post-install
  3a2ac94... build: Add missing simple-priority-scheduling option handli
  e30b21f... build: Add a summary at end of configuration
  a424248... gitignore: Ignore gnome-builder configuration and common bu
  811f4cb... Drop unused planner.keys.in mime file
  e8ca209... Update README for meson
  4c849c1... build: Fix translation handling
  070dd27... Merge branch 'meson-port' into 'master'