change file name and directory

From Vim7.4 this directory and file name will be the default.
update encoding setting
add: environment setting functions
add keymap settings
Add MISC settings

* Related display
* Related cursor moves
* Indent
* Search
Add settings for syntax and file types
Reordered setting
Merge branch 'vim/refactor'
Bash config updates
Set autocmd for bash script

set filetype 'sh' when file start from .bash
Fix indent
Fix arguments to check
Create error message function
Separate pathmerge

pathmerge for PATH
xpathmerge for another PATH environment such as MANPATH,
LD_LIBRARY_PATH,  etc.
Also fix some codes because of the function renames.
File rename

Rename .bash_utils -> .bashutils
Also code fix due to file rename.
Fix: variable settings
Add OS check function

Add simple OS check function by using OSTYPE by bash
.bash_profile as a pathmerge and export script

Use .bash_profile to set path / export if variable is available.
.bash_profile won't set any value in itself.
.bash_profile.{os} to set variables

.bash_profile.{os} is to set variable which is enough to set once, and
to be exported.
Remove export from script loaded variable