* origin/master: (62 commits)
  patch 7.4.954 Problem:    When using Lua there may be a crash. (issue vim#468) Solution:   Avoid using an unitialized tv. (Yukihiro Nakadaira)
  patch 7.4.953 Problem:    When a test script navigates to another buffer the .res file is             created with the wrong name. Solution:   Use the "testname" for the .res file. (Damien)
  patch 7.4.952 Problem:    'lispwords' is tested in the old way. Solution:   Make a new style test for 'lispwords'.
  patch 7.4.951 Problem:    Sorting number strings does not work as expected. (Luc Hermitte) Solution:   Add the 'N" argument to sort()
  patch 7.4.950 Problem:    v:errors is not initialized. Solution:   Initialze it to an empty list. (Thinca)
  patch 7.4.949 Problem:    When using 'colorcolumn' and there is a sign with a fullwidth             character the highlighting is wrong. (Andrew Stewart) Solution:   Only increment vcol when in the right state. (Christian Brabandt)
  patch 7.4.948 Problem:    Can't build when the insert_expand feature is disabled. Solution:   Add #ifdefs. (Dan Pasanen, closes vim#499)
  patch 7.4.947 Problem:    Test_listchars fails with MingW. (Michael Soyka) Solution:   Add the test to the ones that need the fileformat fixed.             (Christian Brabandt)
  patch 7.4.946 Problem:    Missing changes in source file. Solution:   Include changes to the eval.c file.
  patch 7.4.945 Problem:    New style testing is incomplete. Solution:   Add the runtest script to the list of distributed files.             Add the new functions to the function overview.             Rename the functions to match Vim function style.             Move undolevels testing into a new style test script.
  patch 7.4.944 Problem:    Writing tests for Vim script is hard. Solution:   Add assertEqual(), assertFalse() and assertTrue() functions.  Add             the v:errors variable.  Add the runtest script. Add a first new             style test script.
  patch 7.4.943 Problem:    Tests are not run. Solution:   Add test_writefile to makefiles. (Ken Takata)
  patch 7.4.942 Problem:    test_tagcase breaks for small builds. Solution:   Bail out of the test early. (Hirohito Higashi)
  Update runtime files.
  patch 7.4.941 Problem:    There is no way to ignore case only for tag searches. Solution:   Add the 'tagcase' option. (Gary Johnson)
  patch 7.4.940 Problem:    vt52 terminal codes are not correct. Solution:   Move entries outside of #if. (Random)  Adjustments based on             documented codes.
  patch 7.4.939 Problem:    Memory leak when encountering a syntax error. Solution:   Free the memory. (Dominique Pelle)
  patch 7.4.938 Problem:    X11 and GTK have moure mouse buttons than Vim supports. Solution:   Recognize more mouse buttons. (Benoit Pierre, closes vim#498)
  patch 7.4.937 Problem:    Segfault reading unitialized memory. Solution:   Do not read match \z0, it does not exist. (Marius Gedminas, closes             vim#497)
  patch 7.4.936 Problem:    Crash when dragging with the mouse. Solution:   Add safety check for NULL pointer. Check mouse position for valid             value. (Hirohito Higashi)
  ...