Merge branch 'release/1.5.1'

* release/1.5.1:
  Fix a link and little things...
Merge branch 'release/1.5.2'

* release/1.5.2: (53 commits)
  JSlint mgUtil.js
  Inteligent use of the isReady function
  Bumping version
  Starting the use of the isReady function
  Slight JSlint before working
  Slight JSlint on popup.js
  UTF-8
  Fixes #62
  Fixes #63
  Deleted comment blocks
  Change the use of the DOM new image() for jquery object
  Adds imgerror.jpg to the web_accesible_resources
  Changing icons
  Don't use status since there is a already defined var
  return 'return' to the grave
  Testing out
  Forgot to remove something...
  Localization of background
  Remove Release Note from the extension
  Change release note to changelog in option menu
  ...
Merge branch 'release/1.5.3'

* release/1.5.3: (24 commits)
  Ignoring wiki in the backsite.js
  Fix regresion due the change of order
  Trim the search term to prevent trailing spaces spoil the search
  Unescape the urlencoding
  Bumping version
  Changing year of footer
  Added a function to search from the context menu any selected text
  Added a method to use the search function from the url
  Cleaning comments
  Partial fix of issue #77
  Changing vendor specific css rule for generic one
  Fixes #74
  Removed releases notes related files
  Asseting issue #73
  Fix valMg being undefined
  Reorder the inclution of the css and js files
  Fix #72
  JSLint of bookmark.js
  Corrected image extension
  Fix unchanging icon
  ...
Fixed problem when no query string was present
Merge branch 'hotfix/1.5.4' into develop

* hotfix/1.5.4:
  Fixed problem when no query string was present