IDEA 12 project definition for easier development start.
Introduce Echo3 dependencies as Git Submodule.

Conflicts:
	ant.properties
Further .gitignores for the IDEA Project.
Get Unit-tests running.
Upgrade dependencies to include JUnit & Co.
Minor enhancements of IDE running tests/webappps
Update submodule pointer to latest, cleanified commit.
Send charset-declaration on the very first Echo bootstrap document.
Otherwise IE8 assumes ISO-8859-1 and doesn't change it's mind timely.
This became esp. obvious on file uploads with broken file names due
to the broken encoding.
Merge branch 'hotfix/ie8encoding'
First version of new visual, CSS3-based drop shadow property.
Integrating pull request feedbacks from bschmid

Cherry-pick of commit 293a14d8bc9eb8e461e8eb13f46045d6363ecc78
Fixing minor issues

cherry pick of commit b980eef65
Create BoxShadowTest.java

GUI test for feature BoxShadow
Fixing some minor details...
Added API documentation for BoxShadow property
Merge branch 'feature/css3-boxshadow' of https://github.com/chrismay2/echo3

Reviewed version of a CSS3 based visual property for drop shadows on
buttons and window based on XBGSofts implementation.
For discussions refer to https://github.com/echo3/echo3/pull/24
Merge branch 'feature/build-lib-gitsubmodule' of github.com:exxcellent/echo3

This introduces a Git submodule reference which provides all required
3rd party libraries to compile Echo and adjusts the default build
properties accordingly.

Resolved conflicts in ant.properties and did some minor corrections.
Upgrade to JDK 1.5, as previously merged BoxShadow feature introduced an enum.
Fixed minor defects in the IDEA project

The YUI compressor library is no longer required/present.
Added some notes about starting development using IDEA & Ant.