Major tmux changes, also added project notes to the gitignore

dotfiles/global_gitignore

@@ -35,3 +35,6 @@ tramp
 /smex-items
 /.smex-items
 /smex-save-file
+
+# Notes file I tend to leave in projects
+project-notes.org

dotfiles/tmux.conf

@@ -7,13 +7,13 @@
 
 # Rebind tmux prefix to <c-space> to match vim
 
-unbind-key C-b
-set -g prefix Escape
-bind Escape send-prefix
+# remap prefix to Ctrl+A
+set -g prefix C-a
+unbind C-b
+bind-key C-a send-prefix
 
 set -s escape-time 0
 
-
 ###################################
 #                                 #
 #            Colors               #
@@ -49,22 +49,19 @@ set-window-option -g window-status-bell-style fg=black,bg=red    #base02, red
 bind Space copy-mode
 bind C-Space copy-mode
 
-# Rebind window splitting
-# <prefix>j and <prefix>l split vertically and horizontally, respectively
-bind j split-window -v
-bind C-j split-window -v
-
-bind l split-window -h
-bind C-l split-window -h
+# Rebinds to be like neotree
+unbind %
+bind | split-window -h
+bind - split-window -v
 
 # Smart pane switching with awareness of vim splits
 # This is the tmux side of the vim-tmux-navigator plugin
-is_vim='echo "#{pane_current_command}" | grep -iqE "(^|\/)g?(view|n?vim?)(diff)?$"'
-bind -n C-h if-shell "$is_vim" "send-keys C-h" "select-pane -L"
-bind -n C-j if-shell "$is_vim" "send-keys C-j" "select-pane -D"
-bind -n C-k if-shell "$is_vim" "send-keys C-k" "select-pane -U"
-bind -n C-l if-shell "$is_vim" "send-keys C-l" "select-pane -R"
-bind -n C-\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"
+# is_vim='echo "#{pane_current_command}" | grep -iqE "(^|\/)g?(view|n?vim?)(diff)?$"'"
+
+bind -n M-Left select-pane -L
+bind -n M-Right select-pane -R
+bind -n M-Up select-pane -U
+bind -n M-Down select-pane -D
 
 # Vim keybinds so copy mode behaves more like vim
 bind-key -t vi-copy 'v' begin-selection