OPEN - task 2506: highcharts-export jdk 1.6 
https://github.com/highslide-software/highcharts.com/issues/issue/2506
ignore for eclipse dev.
OPEN - task 2506: highcharts-export jdk 1.6 
https://github.com/highslide-software/highcharts.com/issues/issue/2506
set jdk1.6 to jdk1.7, set build encoding UTF-8, and remove build plugin
manager section.
OPEN - task 2506: highcharts-export jdk 1.6 
https://github.com/highslide-software/highcharts.com/issues/issue/2506
remove maven build plugin manager from pom.xml
Highstock: Some work on crosshair labels
Added multitouch support for IE10/11. Closes #2536.
Fixed issue with unexpected arc rendering in VML. Closes #168.
Reverted previous attempt at automatic step logic for axis labels. Reimplemented logic that removes overlapping labels just before they are rendered.
Maps: fixed bug in map parser.
Merge pull request #2507 from takeseem/issue-2506

Issue 2506 highcharts-export jdk 1.6,need1.7
Fixed issues after first round of regression testing.
Utils: Better visual comparison of images by overlaying left and right on top of each other.
Some more changes after regression tests.
Maps: Adjustment to map parser.
Utils: Adjustments to sample runner
Added handling of white-space: nowrap in styles for SVG text.
Export: Cleaning up overlap in maven dependencies for java export server
Utils: Added demo of custom marker symbol path.
Minor changes after regression testing.
Updated demos that can run automatically.
Utils: Minor fixes. Added checkboxes in the report to choose what browsers to include in the comparison.