Bug fixes for the 3rd minor release @github

Fixed issues: https://github.com/anb0s/eclox/milestone/8?closed=1

Bug fixes for the second minor release @github

Fixed issues (https://github.com/anb0s/eclox/milestone/6?closed=1):

0.12.1
- [x] #220: Cannot get eclox doxygen to run in the code composer studio
eclipse package
- [x] #222: bundled doxygen cannot be used
- [x] #223: create bundled doxygen with all needed files

Second minor release @github

Fixed issues (https://github.com/anb0s/eclox/milestone/3?closed=1):
- [x]  #18 Support doxygen upgrade feature
- [x]  #83 context menu entry shown unnecessarily
- [x]  #91 Implement saveas feature
- [x] #108 improve detection of warnings concerning undocumented
parameters
- [x] #195 java.lang.IllegalArgumentException in
createMarkersForResource
- [x] #196 terminate build is not working like expected
- [x] #197 doxygen history menu shows multiple entries for same file
- [x] #198 doxyfile selection dialog does not show nested elements
- [x] #199 add "clear history" to history menu
- [x] #200 invalid custom doxygen identifier found
- [x] #201 Doxygen Build Console: stderr and stdin are not synchronized
- [x] #203 remove from history if "eclox.core.doxygen.RunException:
Missing or bad doxyfile"
- [x] #206 [v0.12] console icons are not shown
- [x] #207 [v0.12] exception if new file created
- [x] #208 [v0.12] java.lang.NullPointerException in Advanced tab
- [x] #211 add support for the += operator
- [x] #212 add support for multiple lines (lists) concatenated by
backslash (\)
- [x] #214 add support for TAG and VALUE format #214
- [x] #215 add support for line separator

0.12.0 testing build

fixed default setting for TAG format

#216 [v0.12] testing of build 0.12.0.v20170923-1628

- [x] #211 add support for the += operator
- [x] #212 add support for multiple lines (lists) concatenated by
backslash (\)
- [x] #214 add support for TAG and VALUE format
- [x] #215 add support for line separator

#209 [v0.12] testing of build 0.12.0.v20170910-1405

new fixed issues in this build:
- [x]  #18 Support doxygen upgrade feature
- [x]  #83 context menu entry shown unnecessarily
- [x]  #91 Implement saveas feature
- [x] #108 improve detection of warnings concerning undocumented
parameters
- [x] #206 [v0.12] console icons are not shown
- [x] #207 [v0.12] exception if new file created
- [x] #208 [v0.12] java.lang.NullPointerException in Advanced tab

#205 [v0.12] testing of build 0.12.0.v20170802-2053

new fixed issues in this build:
- [x] #199 add "clear history" to history menu
- [x] #203 remove from history if "eclox.core.doxygen.RunException:
Missing or bad doxyfile"

Issue #202 - [v0.12] testing of build 0.12.0.v20170705-1928

new fixed issues in this build:
- [x] #195 java.lang.IllegalArgumentException in
createMarkersForResource
- [x] #196 terminate build is not working like expected
- [x] #197 doxygen history menu shows multiple entries for same file
- [x] #198 doxyfile selection dialog does not show nested elements
- [x] #200 invalid custom doxygen identifier found
- [x] #201 Doxygen Build Console: stderr and stdin are not synchronized

- [x] #191 exception after build if OUTPUT_DIRECTORY is an absolute path

- [x] #192 add Eclipse 4.2 target platform
- [x] #193 fix feature and plugin provider-name