Add eclim, omnisharp, and cpp support

init/mod-eclim.el

@@ -1,5 +1,25 @@
+(use-package eclim :ensure emacs-eclim
+  :commands (eclim-mode global-eclim-mode)
+  :init
+  (progn
+    (setq eclim-eclipse-dirs '("~/.opt/eclipse")
+          eclim-executable "~/.opt/eclipse/eclim")
+    (add-hook 'java-mode-hook 'eclim-mode))
+  :config
+  (progn
+    ;; (use-package eclim-ant)
+    ;; (use-package eclim-maven)
+    (use-package eclim-problems)
+    (use-package eclim-project)
+    (use-package eclimd)
 
-;; TODO Eclim stuff
+    (require 'ac-emacs-eclim-source)
+    (ac-emacs-eclim-java-setup)
+
+    (setq help-at-pt-display-when-idle t)
+    (setq help-at-pt-timer-delay 0.1)
+    (help-at-pt-set-timer)
+    ))
 
 ;;
 (provide 'mod-eclim)