Merge branch 'release-1.1'
Merge pull request #15 from igor-borisov/master

Fixed bugs, new details window added
Get validation-api version
cache for "fetch versions"
license information added (VersionStorage.java)
Merge pull request #16 from maxim-minin/master

Get validation-api version, cache for "fetch version".
Merge pull request #17 from igor-borisov/develop

VAADINPNL-55 add liferay-display.xml
VAADINPNL-57 fixed (change version to 7.1.* and nightly versions fixed)
Merge pull request #18 from maxim-minin/master

change version to 7.1.* and compile widgetset issue fixed
remove whitespace chars from portlet name
do not print FileNotFoundException info to the log when vaadin 7 not installed
do not print FileNotFoundException info to the log when vaadin 7 not installed
Merge pull request #19 from maxim-minin/master

remove warnings from log
Update README.md
Fix compiling with Java 6. Integer.compare(int,int) is since Java 7.
Missed the Integer.valueOf() for the "y" param
Merge pull request #20 from ljani/java6-compat

Fix compiling with Java 6. Integer.compare(int,int) is since Java 7.
Fixed the app to work with Liferay 6.2 and Vaadin 7.1.8
Fixed MANIFEST.MF
Merge pull request #22 from pmatti/master

Fixes to make the plugin work with Vaadin 7.1.8 and Liferay 6.2.0-GA1