* helm-grep.el (helm-grep-split-line-regexp): Issue #161 New var to handle split regexp. Reorder.
* helm-utils.el: Reset yank point after init (needed for yanking after resuming).
Update helm wiki.
* helm.el (helm-delete-current-selection): Fix when deleting last elmt of a source.
Fix error when deleting last candidate of a source.
* helm-buffers.el (helm-c-buffers-persistent-kill): Fix deletion of last candidate.
* helm.el (helm-empty-source-p): New.
(helm-approximate-candidate-number): Use it.
(helm-display-mode-line,
helm-maybe-update-keymap): Check if source is a list.
i.e when source is empty only the name found in header is returned as a string.
* helm-misc.el (helm-c-source-tracker-search, helm-c-source-mac-spotlight): Use candidates-process.
* helm.el (helm-source-header): Bigger font.
(helm-get-candidates): Add comments, no code change.
* helm.el (helm-internal): Issue #163 No cursor in minibuffer on Windows.
* helm.el: Fix force updating for Emacs-24.2 (Don't use while-no-input in force update)
(helm-force-updating-p): New flag.
(helm-get-candidates): Don't use while-no-input when force updating.
(helm-force-update): Bind helm-force-updating-p.
(helm-update,
helm-process-delayed-sources): reset helm-force-updating-p.
Fix usage of helm-locate-case-fold-search

When set to a value other than 'smart' it's usage was reversed from what
the docs said.
* helm.el (helm-force-update): Fix and simplify preselection.
(helm-keep-selection): Removed.
* helm-buffers.el
(helm-buffer-revert-and-update,
helm-buffer-save-and-update): Use helm-force-update without arg.
* helm-files.el (helm-find-files): Don't use current-buffer for preselection when using history.
Merge pull request #164 from chumpage/case-sensitive-fix

Fix usage of helm-locate-case-fold-search
* helm-buffers.el (helm-buffer-revert/save-and-update): Unmark candidates.
* helm.el: Improve preselection.
(helm-force-update): let-bing helm-quick-update.
(helm-preselect): Go to source when force updating.
* helm-grep.el: Remove helm-grep-run-real-grep feature.
* helm-help.el: Add info about colors in buffers.
* helm-buffers.el: Add comments, no code change.
* helm-grep.el (helm-c-grep-save-results-1):
buffer-read-only is already local, forget to push this in precedent patch.
Fix inconsistency between helm-completion-window-scroll-margin and helm-display-source-at-screen-top.
* helm.el (helm-create-helm-buffer): do it.
* helm-pkg.el: Update version number.
* helm.el (helm-delete-current-selection): Fix when deleting at end of source.
(helm-end-of-source-p): Add one optional arg.
* helm-buffers.el (helm-c-buffers-persistent-kill): goto next source when no more candidates.