Update ctag documentation

Update ctag documentation of command line syntax.
Modify ctag capitalization to match http://ctags.sourceforge.net/
Add case sensitive search

Add case sensitive search when one or more of the characters in the search term
is a capital letter. (i.e. all lower case searches are case insensitive)

http://vimdoc.sourceforge.net/htmldoc/usr_27.html#27.1
Merge pull request #50 from salcode/ctags-documentation-update

Update ctag documentation
Merge pull request #51 from salcode/case-sensitive-search

Add case sensitive search
fixing some spelling mistakes
- added link to Git automatic configuration stuff for CTags
- turn off folding on markdown

This fixes issue #41 in which we were always opening markdown files and
they were completely folded. That sucks and now it doesn't sucks.
- adding images to the ignore patterns

We don't need ctrlp to open images and this makes sure that we don't see
them in the search results.
adding font file types to our wildignore patters
setting wordpress.vim ctags local var
adding wrap settings for editing markdown files
Add editorconfig support

Fixes #54
Merge pull request #58 from salcode/add-editorconfig

Add editorconfig support
remove trailing spaces in .vimrc

Fixes #59
change <leader>p mapping to :CtrlPTag

Change from :CtrlP to :CtrlPTag, which allows search of generated ctags

Fixes #56
disable phpcomplete plugin Ctrl+] mapping

This mapping was causing a problem whenver switching between two
existing PHP files.

Fixes #62
Merge pull request #63 from salcode/already-definted-ctrl-bracket-error

disable phpcomplete plugin Ctrl+] mapping
Merge pull request #61 from salcode/map-leader-p-to-ctrlptag

change <leader>p mapping to :CtrlPTag
Merge pull request #60 from salcode/remove-trailing-spaces

remove trailing spaces in .vimrc
Set colorscheme light and only use solarized in gvim