Anubis / Xlib

…mpty string "" as none DB_id

add button with a String as argument
add form without CoreAttrs as argument

add helper as CoreAttrs for (width, height, width_px, height_px, alt, for, type, placeholder, name, role)

…eal reason for that and the purpose

…ed entry into the web_session

…ne named "get_String".

…ample after a web_action executed, refresh the page (which made by the call back)

icnX(String icon) which return the full path to the icon. X must be replaced by the size of the icon. For example  icn8("foo.png") will return "icons/8x8/foo.png"
the list of the sizes is: 8, 16, 22, 24, 32, 48, 64, 128, 256

…se anymore the literal for the <nav> and <span> whom now exist as HTML tag

… when it become Xlib (some reference to CXM was still there)

in same time add a new alternative into left_menu type with "left_menu_entry_load_content". This is better to understand when constructing a menu

…mpletely removed due to their useless
preformated move to html_tag pre
progress move to html_tag progress
center removed
mail_to removed
scroller removed
fixed_size removed
fixed_size_2 removed

…ntry. Add also variant function as helper without all the arguments

[+] add to_String function from HTML_Off_Form
[~] some cleanup and remove dead code

…n url where is located the page to load

…ll source use this type must be recompiled
[+] add some helper in html_tag to use String directly instead of "text"

… rest of the string composition. if didn't do that the right part of the "else" will be added with end of the string, which is not the intention.

[!] remove extra blank line button source

…e is js_code alternative which allows to write js code directly. This is intend to help to write js object in anubis, when we write js object config for generated web page