Improve the `absolute` and `absolutedir` Ruby scripts

Improvement: Add the option to get back a crunched path. Example:

~/Documents

instead of:

/Users/aziz/Documents
Improve the `f` fish function

Improvement:

If there is only one match, the path to the match will be copied to the
OS X clipboard
Add Python script to extract vimballs
Replace bullshit word wrap by real word wrap
Prevent Vim from disabling word wrap for markdown and text files
Improve the markdown header generation Vim mappings
DO NOT break words containing `:` or `*` when editing markdown files in Vim and word wrap is enabled
Add mappings to make the word under the cursor code, italic or bold when editing markdown files in Vim
Sane caret movement in Vim when editing markdown files and word wrap is enabled
Resize MacVim when opening markdown files
Improve the `gx` Vim mapping which duplicates a line and comments out the original
Disable the syntastic fish checker since it broke (lately) ...
In Visual mode, when selecting until the end of the line, DO NOT include any characters after the end of the line