Remove useless part of vimrc
Tune vimrc special editing options
Enable persistent undo
Ignore backup and undo folder
Set leader to space
Alias , (coma) to : (colon)
Install pathogen
Install nerdtree

Signed-off-by: mat tso <mat-tso@topmail.ie>
Install ctrlp plugin
Install airline plugin
Remove trainins space and tabs
Disable automatic folding
Install tagbar plugin
Install easytags plugin
Map F2 to C-]