Revert "Code refactoring. Improve folder structure. For better project implementation. Most hosting server have a default folder public or public_html insted of htdocs, htdocs is a exclusive folder for apache web server, for example is no the same folder in NGINX."

This reverts commit e91c2c6e.

Code refactoring. Improve folder structure. For better project implementation. Most hosting server have a default folder public or public_html insted of htdocs, htdocs is a exclusive folder for apache web server, for example is no the same folder in NGINX.

These files doesn't contain executable code and may pose a security
threat.

contact.

contact.

role of linked element
In this exemple we can have 
fk_element = 1
element_type= "user" or contact or place or whatever element
fk_c_element_role = 1 // 'Guest' or Host or whatever define in
dictionnary
fk_c_element_status = Present // or whatever define in dictionnary
according element type

COMPANY_DONOTSEARCH_ANYWHERE

is on.

It's used to mark if the contact is gone or no(we can activate or desactivate the contact with this)
And if the contact is gone,we don't print her mail in the mail list,where we can send a mail

Fix: A ref_ext can not be NOT NULL.
New: Add tms field into table llx_bordereau_cheque.

[ task #925 ] Add ODT document generation for Tasks in project module

Conflicts:
	htdocs/install/mysql/migration/3.4.0-3.5.0.sql