table-plugin: removed empty spaces inside empty cells

When a table was created, empty spaces where inserted in the empty cells so the cell could be selectable. With these
changes we don't these empty space anymore.
Merge pull request #1222 from najor/hotfix-0.24.x-rt58205

table-plugin: removed empty spaces inside empty cells
[maven-release-plugin] prepare release alohaeditor-0.24.32
Added generated changelog mapping
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare release alohaeditor-0.24.32-commercial
Added generated changelog mapping
[maven-release-plugin] prepare for next development iteration
Remove bogus mapping
Merge branch 'hotfix-0.24.x' into hotfix-0.25.x

Conflicts:
	pom.xml
	src/css/aloha.css
[maven-release-plugin] prepare release alohaeditor-0.25.12
Added generated changelog mapping
[maven-release-plugin] prepare for next development iteration
Merge branch 'hotfix-0.25.x' of github.com:alohaeditor/Aloha-Editor into hotfix

Conflicts:
	pom.xml
	src/css/aloha.css