Add '#'-rule (#30)

For Ruby/Python comments. This new '#' rule will only match
'#' characters that are highlighted as comments.

EXAMPLES.md

@@ -218,6 +218,9 @@ This only works when syntax highlighting is enabled.
 Aligning in-line comments
 -------------------------
 
+*Note: Since the current version provides '#'-rule as one of the default rules,
+you can ignore this section*
+
 ```ruby
 apple = 1 # comment not aligned
 banana = 'Gros Michel' # comment 2

README.md

@@ -161,6 +161,7 @@ With these mappings, you can align text with only a few keystrokes.
 | `.`           | Multi-line method chaining                                           |
 | `,`           | Multi-line method arguments                                          |
 | `&`           | LaTeX tables (matches `&` and `\\`)                                  |
+| `#`           | Ruby/Python comments                                                 |
 | `<Bar>`       | Table markdown                                                       |
 
 You can override these default rules or define your own rules with
@@ -670,8 +671,10 @@ You may refer to the definitions of the default alignment rules
 ```vim
 let g:easy_align_delimiters = {
 \ '>': { 'pattern': '>>\|=>\|>' },
-\ '/': { 'pattern': '//\+\|/\*\|\*/', 'ignore_groups': ['String'] },
+\ '/': {
-\ '#': { 'pattern': '#\+', 'ignore_groups': ['String'], 'delimiter_align': 'l' },
+\     'pattern':         '//\+\|/\*\|\*/',
+\     'delimiter_align': 'l',
+\     'ignore_groups':   ['^\(.\(Comment\)\@!\)*$'] },
 \ ']': {
 \     'pattern':       '[[\]]',
 \     'left_margin':   0,

autoload/easy_align.vim

@@ -37,6 +37,8 @@ let s:easy_align_delimiters_default = {
 \  ',': { 'pattern': ',',  'left_margin': 0, 'right_margin': 1, 'stick_to_left': 1 },
 \  '|': { 'pattern': '|',  'left_margin': 1, 'right_margin': 1, 'stick_to_left': 0 },
 \  '.': { 'pattern': '\.', 'left_margin': 0, 'right_margin': 0, 'stick_to_left': 0 },
+\  '#': { 'pattern': '#\+',
+\              'delimiter_align': 'l', 'ignore_groups': ['^\(.\(Comment\)\@!\)*$'] },
 \  '&': { 'pattern': '\\\@<!&\|\\\\',
 \                          'left_margin': 1, 'right_margin': 1, 'stick_to_left': 0 },
 \  '{': { 'pattern': '(\@<!{',

test/interactive.vader

@@ -893,10 +893,6 @@ Expect ruby:
   apricot = 'DAD' +      'F#AD'
   banana = 'Gros Michel' ## comment 2
 
-Execute (define # rule):
-  let g:easy_align_delimiters =
-  \ { '#': { 'pattern': '#\+', 'ignores': ['String'], 'delimiter_align': 'l' } }
-
 Do (using # rule):
   vip\<Enter>\<C-U>#