Add license headers based on git history.

The original author is listed as first entry in the copyright and others
and contributors are listed after the license. This is the standard form
used in eclipse.org codebases.

Change-Id: I41d1404d594e8b48e7b44399f6125f528b2b0a7c
Merge pull request #58 from akurtakov/development

Add license headers based on git history.
Unused imports and SuppressWarnings dropping.

Change-Id: I3a40a0f049f018a7be98acf82b81bb3288600243
More unneeded suppress warnings removal.

The rest of the change is done by save actions.
Change-Id: I9b08ffde6411d93a060832e80203b4edd687e3e5
Merge branch 'development' of https://github.com/fabioz/Pydev into development
Merge pull request #59 from akurtakov/development

Unused imports and SuppressWarnings dropping.
Providing a way to restore a previous position in the partition code reader.
Adding option to get current token based on separator chars and not valid chars.